This simplifies usages and makes the default value consistent.
In a few cases, the default value was interpreted to be `false`,
but this is useless, because virtually nobody will explicitly
set `allowAliases = true;`.
All Kakoune plugins from before are still there and updated.
Added plugins:
- alexherbo2/connect.kak
- alexherbo2/replace-mode.kak
- alexherbo2/sleuth.kak
- danr/kakoune-easymotion
- Delapouite/kakoune-registers
- enricozb/tabs.kak
- greenfork/active-window.kak
- kakoune-editor/kakoune-extra-filetypes
- listentolist/kakoune-rainbow
- occivink/kakoune-buffer-switcher
* kakounePlugins: Add 5 kakoune plugins
Should be compatible with
https://github.com/NixOS/nixpkgs/pull/64310
* kak-auto-pairs: for automatic closing of pairs
* kak-buffers: for easier buffer management
* kak-fzf: for fzf integration
* kak-powerline: for a prettier modeline
* kak-vertical-selection: for easy vertical selections
* kakounePlugins: alphabetize package list
* kakounePlugins.kak-fzf: add ability to choose between fzf/skim
* kakounePlugins.kak-powerline: substitute full path to git binary
