Various updates

- change to tmux in lieu of zellij
- disable obsidian nvim plugin
- add vim-ai nvim plugin
- add gitclone.sh script

alacritty/alacritty.toml

@@ -6,7 +6,7 @@ style = "regular"
 save_to_clipboard = true
 
 [shell]
-args = ["-l", "-c", "zellij attach || zellij"]
+args = ["-l", "-c", "tmux attach || tmux"]
 program = "/usr/bin/zsh"
 
 [window]