git: add simple aliases

git/gitconfig.include

@@ -3,6 +3,10 @@
 	interactive = auto
 [alias]
 	st = status
+	ci = commit
+	co = checkout
+	pr = pull --rebase
+	diffc = diff --cached
 	lg = log --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%ar) %C(bold blue)<%an>%Creset' --abbrev-commit --date=relative
 	ll = log --stat --abbrev-commit
 [diff]