feat(nixos): add Gitea to Homepage

configs/nixos/guests/gitea.nix

@@ -23,6 +23,14 @@ in
       }
     ];
 
+    registry.homepage.${config.networking.hostName}.gitea = {
+      tab = "Apps";
+      section = "Other";
+      name = "Gitea";
+      description = "Git forge";
+      icon = "gitea.png";
+    };
+
     guests.gitea = {
       interior.modules.services.gitea = {
         enable = true;