fix: Enable Zot UI and Search extensions

zot/config.json

@@ -9,5 +9,13 @@
     },
     "log": {
         "level": "debug"
+    },
+    "extensions": {
+        "ui": {
+            "enable": true
+        },
+        "search": {
+            "enable": true
+        }
     }
 }