fix: remove ui/colony submodule, add as regular directory

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

ui/colony/biome.json

@@ -0,0 +1,13 @@
+{
+  "$schema": "https://biomejs.dev/schemas/2.0.0/schema.json",
+  "organizeImports": { "enabled": true },
+  "linter": {
+    "enabled": true,
+    "rules": { "recommended": true }
+  },
+  "formatter": {
+    "enabled": true,
+    "indentStyle": "space",
+    "indentWidth": 2
+  }
+}