refactor(nixos): declare Gitea HTTP route with its guest

configs/nixos/hosts/pikachu/default.nix

@@ -101,6 +101,14 @@
     vlan = 20;
     address = "10.23.20.206";
     dataPath = "/pikachu/data/gitea";
+    reverseProxy = {
+      enable = true;
+      route = {
+        domain = "git.alexion.dev";
+        protocol = "https";
+        port = 3000;
+      };
+    };
   };
 
   guests.romm = {