Release 20211201
* NixOS
- update to 21.11 and merge some services
- add aria2-ng overlay
- only use rime in fcitx5 due to fcitx5 is updated
- update i3lock-color options names
- add overlay for xmonad 0.17.0
* Home-manager
- add matrix client, fractal
- add tree alias
* Emacs
- add agda
- add calc config
- use org-contrib in non gnu instead of org-plus-contrib
- add tex output dir
- mu4e only startups in daemon
- change keybinds
- org-ql
- rust
- haskell
- ss
* XMonad
- add easy motion
- change import style
- change some keybinds such as screen locker