add overlay to lock vscode version, git config into symlink

dotfiles/shared/git.conf

@@ -0,0 +1,36 @@
+[commit]
+	gpgSign = true
+
+[diff]
+	guitool = "kitty.gui"
+	tool = "kitty"
+
+[difftool]
+	prompt = false
+	trustExitCode = true
+
+[difftool "kitty"]
+	cmd = "kitten diff $LOCAL $REMOTE"
+
+[difftool "kitty.gui"]
+	cmd = "kitten diff $LOCAL $REMOTE"
+
+[filter "lfs"]
+	clean = "git-lfs clean -- %f"
+	process = "git-lfs filter-process"
+	required = true
+	smudge = "git-lfs smudge -- %f"
+
+[gpg]
+	format = "openpgp"
+
+[gpg "openpgp"]
+	program = "gpg"
+
+[tag]
+	gpgSign = true
+
+[user]
+	email = "grey@greyweather.dev"
+	name = "Grey Jones"
+	signingKey = "CC7388DF8E1890729921BCFF7C67C51C2FF524D9"