Merge pull request #2608 from awesome-selfhosted/fix_headings

Fix category headings

README.md

@@ -168,7 +168,7 @@ _See also [Internet of Things (IoT)](#internet-of-things-iot)_
 - [Sonarr](https://sonarr.tv/) - Automatic TV Shows downloader and manager for Usenet and BitTorrent. It can grab, sort and rename new episodes and automatically upgrade the quality of files already downloaded when a better quality format becomes available. ([Source Code](https://github.com/Sonarr/Sonarr)) `GPL-3.0` `C#`
 - [µTask](https://github.com/ovh/utask) - µTask is an automation engine that models and executes business processes declared in yaml. `BSD-3-Clause` `Go`
 - [WebUI-aria2](https://github.com/ziahamza/webui-aria2) - Interface to interact with the aria2 downloader. Very simple to use, just download and open index.html in any web browser. ([Demo](http://ziahamza.github.io/webui-aria2/)) `MIT` `HTML5`
-- [ydl_api](https://github.com/Totonyus/ydl_api) - Simple youtube-dl REST API to launch downloads on a distant server. ([Source Code](https://github.com/Totonyus/ydl_api)) `Unlicense` `Python`  
+- [ydl_api](https://github.com/Totonyus/ydl_api) - Simple youtube-dl REST API to launch downloads on a distant server. ([Source Code](https://github.com/Totonyus/ydl_api)) `Unlicense` `Python`
 - [YoutubeDL-Material](https://github.com/Tzahi12345/YoutubeDL-Material) - Material Design inspired YouTube downloader, based on youtube-dl. Supports playlists, quality select, search, dark mode and much more, all with a clean and modern design. `MIT` `Nodejs`
 - [Zenbot 3](https://github.com/carlos8f/zenbot) - Zenbot is a lightweight, extendable, artificially intelligent trading bot for Bitcoin, Ether, Litecoin, and more. `MIT` `Nodejs`
 - [ZeroQueue](https://github.com/thezeroqueue/zeroqueue) - A low-code queue management system that lets you run scheduled jobs for anything. `GPL-3.0` `Nodejs`
@@ -723,13 +723,13 @@ _RSS/Atom automation_
 
 _Some [Groupware](#groupware) solutions also feature file sharing and synchronization._
 
-#### Distributed filesystems
+### Distributed filesystems
 
 **[`^        back to top        ^`](#)**
 
 _See https://github.com/awesome-foss/awesome-sysadmin#distributed-filesystems_
 
-#### File transfer/synchronization
+### File transfer/synchronization
 
 - [Git Annex](https://git-annex.branchable.com/) - File synchronization between computers, servers, external drives. ([Source Code](https://git.joeyh.name/index.cgi/git-annex.git/)) `GPL-3.0` `Haskell`
 - [Kinto](https://kinto.readthedocs.org) - Kinto is a minimalist JSON storage service with synchronisation and sharing abilities. ([Source Code](https://github.com/Kinto)) `Apache-2.0` `Python`
@@ -746,7 +746,7 @@ _See https://github.com/awesome-foss/awesome-sysadmin#distributed-filesystems_
 - [Unison](https://www.cis.upenn.edu/~bcpierce/unison/) - Unison is a file-synchronization tool for OSX, Unix, and Windows. `GPL-3.0` `OCaml`
 - [Z-Push](http://z-push.org/) - Implementation of Microsoft’s ActiveSync protocol. ([Source Code](https://stash.kopano.io/projects/ZHUB/repos/z-push)) `AGPL-3.0` `PHP`
 
-#### Peer-to-peer filesharing
+### Peer-to-peer filesharing
 
 - [bittorrent-tracker](https://webtorrent.io/) - Simple, robust, BitTorrent tracker (client and server) implementation. ([Source Code](https://github.com/feross/bittorrent-tracker)) `MIT` `Nodejs`
 - [cloud-torrent](https://github.com/jpillora/cloud-torrent) - Torrent Web Client with HTTP retrievable or streamable downloaded files. `AGPL-3.0` `Go`
@@ -763,14 +763,14 @@ _See https://github.com/awesome-foss/awesome-sysadmin#distributed-filesystems_
 - [Torrents.csv](https://gitlab.com/dessalines/torrents.csv) - A self-hostable torrent search engine. `GPL-3.0` `Rust`
 - [Transmission](https://transmissionbt.com/) - Fast, easy, Free Bittorrent client. ([Source Code](https://github.com/transmission/transmission)) `GPL-3.0` `C`
 
-#### Object storage/file servers
+### Object storage/file servers
 
 - [Minio](https://minio.io/) - Minio is an open source object storage server compatible with Amazon S3 APIs. ([Source Code](https://github.com/minio/minio)) `Apache-2.0` `Go`
 - [SeaweedFS](https://github.com/chrislusf/seaweedfs) - SeaweedFS is an open source distributed file system supporting WebDAV, S3 API, FUSE mount, HDFS, etc, optimized for lots of small files, and easy to add capacity. `Apache-2.0` `Go`
 - [SFTPGo](https://github.com/drakkan/sftpgo) - Flexible, fully featured and highly configurable SFTP server with optional FTP/S and WebDAV support. `AGPL-3.0` `Go`
 - [Zenko CloudServer](https://www.zenko.io/cloudserver) - Zenko CloudServer, an open-source Node.js implementation of a server handling the Amazon S3 protocol. ([Source Code](https://github.com/scality/S3)) `Apache-2.0` `Nodejs`
 
-#### Single-click/drag-n-drop upload
+### Single-click/drag-n-drop upload
 
 - [BoZoN](https://github.com/broncowdd/BoZoN) - Minimalist Drag and drop file sharing app. `AGPL-3.0` `PHP`
 - [Chibisafe](https://lolisafe.moe/) - Blazing fast file uploader and awesome bunker written in node. ([Source Code](https://github.com/weebdev/chibisafe)) `MIT` `Nodejs`
@@ -805,12 +805,12 @@ _See https://github.com/awesome-foss/awesome-sysadmin#distributed-filesystems_
 - [YouTransfer](http://www.youtransfer.io) - YouTransfer is a simple but elegant self-hosted file transfer and sharing solution. ([Source Code](https://github.com/remie/YouTransfer)) `Apache-2.0` `Nodejs`
 - [Zipline](https://zipline.diced.me/) - A lightweight, fast and reliable file sharing server that is commonly used with ShareX, offering a react-based Web UI and fast API. ([Source Code](https://github.com/diced/zipline)) `MIT` `Nodejs`
 
-#### Command-line file upload
+### Command-line file upload
 
 - [Beauties](https://github.com/dsx/beauties) - Minimalist file sharing written in Go, to be used primarily from Unix shell (e.g. with curl). Can be built as a Debian package for easy install. `MIT` `Go`
 - [transfer.sh](https://transfer.sh) - Easy file sharing from the command line. ([Source Code](https://github.com/dutchcoders/transfer.sh)) `MIT` `Go`
 
-#### Web based file managers
+### Web based file managers
 
 - [Apaxy](https://oupala.github.io/apaxy/) - Theme built to enhance the experience of browsing web directories, using the mod_autoindex Apache module and some CSS to override the default style of a directory listing. ([Source Code](https://github.com/AdamWhitcroft/Apaxy)) `Unlicense` `HTML`
 - [DirectoryLister](http://www.directorylister.com/) - Simple PHP based directory lister that lists a directory and all its sub-directories and allows you to navigate there within. ([Source Code](https://github.com/DirectoryLister/DirectoryLister)) `MIT` `PHP`
@@ -854,7 +854,7 @@ _Games, game servers and control panels._
 - [Teeworlds](https://www.teeworlds.com) - Open source 2D retro multiplayer shooter. ([Source Code](https://github.com/teeworlds/teeworlds)) `BSD-3-Clause/Other` `C++`
 - [TournamentMango](https://github.com/seiyria/tournamentmango) - TournamentMango is an open source tournament bracket and user management system. You can build an archive of players and keep track of all their scores over time as well as their regular characters, games, and aliases. `MIT` `Javascript`
 - [The Battle for Wesnoth](https://github.com/wesnoth/wesnoth) - The Battle for Wesnoth is an Open Source, turn-based tactical strategy game with a high fantasy theme, featuring both singleplayer and online/hotseat multiplayer combat. `GPL-2.0` `C++`
-- [Zero-K](https://zero-k.info/) - Open Source on Springrts engine. Zero-K is a traditional real time strategy game with a focus on player creativity through terrain manipulation, physics, and a large roster of unique units - all while being balanced to support competitive play. ([Source code](https://github.com/ZeroK-RTS/Zero-K)) `GPL-2.0` `Lua`
+- [Zero-K](https://zero-k.info/) - Open Source on Springrts engine. Zero-K is a traditional real time strategy game with a focus on player creativity through terrain manipulation, physics, and a large roster of unique units - all while being balanced to support competitive play. ([Source Code](https://github.com/ZeroK-RTS/Zero-K)) `GPL-2.0` `Lua`
 
 ## Gateways and terminal sharing