Add initial config

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

users/nick/configs/git.nix

@@ -0,0 +1,11 @@
+let
+  vars = import ../vars.nix;
+in
+{
+  programs.git = {
+    enable = true;
+    lfs.enable = true;
+    userEmail = vars.email;
+    userName = vars.fullName;
+  };
+}