feat: Enhance gitconfig

.gitconfig

@@ -1,5 +1,20 @@
 [user]
 	email = matthewbinning@pm.me
 	name = Matthew Binning
-[core]
+	username = matthew.binning
 	editor = vi
+	autocrlf = input
+[init]
+	defaultBranch = main
+[pull]
+	rebase = true
+[push]
+	autoSetupRemote = true
+[alias]
+	br = branch
+	rb = rebase
+	st = status
+	sw = switch
+	l = log --oneline --graph --decorate
+[credential]
+	helper = store