switched to flakes and built out modularity

modules/services/gitea.nix

@@ -0,0 +1,22 @@
+{ config, lib, ... }:
+
+let
+  cfg = config.control.gitea;
+in
+{
+  config = lib.mkIf cfg.enable {
+    services.gitea = {
+      enable = true;
+      settings = {
+        server = {
+          HTTP_PORT = 3000;
+          DOMAIN = "gitea.local";
+          ROOT_URL = "http://gitea.local:3000/";
+        };
+        service.DISABLE_REGISTRATION = true;
+      };
+    };
+
+    networking.firewall.allowedTCPPorts = [ 3000 ];
+  };
+}