git: add few alias

.gitconfig

@@ -11,6 +11,8 @@
 [alias]
     st = status
     ci = commit
+    cia = commit --amend
+    cias = commit --amend --no-edit
     co = checkout
     br = branch
     df = diff
@@ -35,7 +37,7 @@
     cleanbr = remote prune origin
     cleanbrshow = remote prune origin --dry-run
     contains = !sh -c 'git branch -a --contains $1' -
-
+    wdiff = diff --word-diff=color --unified=1
 [branch]
     #New branch track remote
     #autoSetupMerge = always