feat: .gitconfig alias

.gitconfig

@@ -1,17 +1,20 @@
 [filter "lfs"]
-	clean = git-lfs clean -- %f
-	smudge = git-lfs smudge -- %f
-	process = git-lfs filter-process
-	required = true
+  clean = git-lfs clean -- %f
+  smudge = git-lfs smudge -- %f
+  process = git-lfs filter-process
+  required = true
 [core]
-	editor = micro
+  editor = micro
 [init]
-	defaultBranch = main
+  defaultBranch = main
 [alias]
-	squash-all = "!f(){ git reset $(git commit-tree \"HEAD^{tree}\" \"$@\");};f"
+  squash-all = "!f(){ git reset $(git commit-tree \"HEAD^{tree}\" \"$@\");};f"
+  prune-branches = "!f(){ git fetch --prune && for branch in `git branch -vv | grep ': gone]' | awk '{print $1}'`; do git branch -D $branch; done };f"
+  prune-tags = "!git fetch --prune origin '+refs/tags/*:refs/tags/*'"
+  log-graph = "!git log --all --decorate --graph --oneline"
 [push]
-	autoSetupRemote = true
+  autoSetupRemote = true
 [pull]
-	ff = only
+  ff = only
 [include]
   path = .gitconfig.local