Added a desktop file for Linux packaging

- New Lua APIs:

  - Raw input events
  - Frame rendered events
  - Fullscreen
- Addressed crash on startup
([issue](#13))
- Fixed positioning of offscreen floats
([issue](#8))
- Only set BG override for transparent windows to address confusion with example
config ([issue](#10))
- Fixed cursor blink and highlight
([issue](#10))
- Switched to `font-kit` for font loading
([issue](#10))
- Removed use of Neovim ext_hlstate which caused freezes
- Removed nonuniform sampling graphics requirement
- Handling new Neovim `chdir` events
- Pass commandline arguments following `--` to Neovim
- Fixed underline positioning for multiple windows
- Fixed reversed highlight colors not rendering
- Sending window focus events to Neovim
- Fixed cursor drag handling
- Set window title
- Ignore scroll events when switching buffers
- Only run setup code when running inside of Neophyte

Only run setup when in Neophyte

Preparing for 0.2.0 release