Publish curated GeoIntel source snapshot

contracts/api/examples/error_feature_disabled.json

@@ -0,0 +1,7 @@
+{
+  "error": {
+    "code": "FEATURE_DISABLED",
+    "message": "This feature is disabled in the current milestone.",
+    "details": {"feature": "LIDAR_LAB", "target_milestone": "V4"}
+  }
+}