Add more git aliases

modules/aliases.zsh

@@ -16,9 +16,11 @@ alias cp="cp -rv"
 
 # git
 alias gd='git diff'
+alias ga='git add'
 alias gco='git checkout'
 alias gs='git status'
 alias gl='git pull'
+alias gm='git commit'
 alias gp='git push'
 alias gwc='git whatchanged -p --abbrev-commit --pretty=medium'