Add guildhall

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

flake.lock

@@ -223,6 +223,26 @@
         "type": "github"
       }
     },
+    "guildhall": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1792327736,
+        "narHash": "sha256-rBD6icIYApcYSri+dEmg4Xtar6/LA9dfyHOHvpQaC7U=",
+        "ref": "refs/heads/main",
+        "rev": "9058039eb7d881d591cd6675199e798549b6f3b5",
+        "revCount": 1,
+        "type": "git",
+        "url": "https://forg.gregersen.it/rope/guildhall"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://forg.gregersen.it/rope/guildhall"
+      }
+    },
     "home-manager": {
       "inputs": {
         "nixpkgs": [
@@ -472,6 +492,7 @@
     "root": {
       "inputs": {
         "flowtrack": "flowtrack",
+        "guildhall": "guildhall",
         "home-manager": "home-manager",
         "lanzaboote": "lanzaboote",
         "loupe": "loupe",