Added git credentials system file as it didnt exist before. (This is also a test push for it)

configuration.nix

@@ -171,6 +171,7 @@
       helper = store --file /etc/git-credentials
   '';
 
+  environment.etc."git-credentials".text = '''';
 
   #So no user in the group Wheel has to input the password in order to use sudo
   security.sudo.wheelNeedsPassword = false;