- Removed NSIS installer.
- Prevents undefined behaviour when two installations are performed to the same directory (NSIS + MSI).
- Reduced cost of maintaining two installers that do the same thing.
- Chose Wix MSI due to its better integration with Windows.
- Added Wix patch file to add neovim binaries to the system path during installation.
- Replaced neovim installer icons with better looking versions.
- Renamed neovim installer icons from logo.ico -> neovim.ico for all
icons to better reflect contents.
