Update FOSDC config (#751)

.opensource/project.json

diff --git a/.opensource/project.json b/.opensource/project.json
index 678a5b3..b53abbe 100644
--- a/.opensource/project.json
+++ b/.opensource/project.json
@@ -6,18 +6,18 @@
   ],
   "content": "FlutterFire.md",
   "pages": [
-    "cloud_firestore/README.md",
-    "cloud_functions/README.md",
-    "firebase_admob/README.md",
-    "firebase_analytics/README.md",
-    "firebase_auth/README.md",
-    "firebase_core/README.md",
-    "firebase_database/README.md",
-    "firebase_dynamic_links/README.md",
-    "firebase_messaging/README.md",
-    "firebase_ml_vision/README.md",
-    "firebase_performance/README.md",
-    "firebase_remote_config/README.md",
-    "firebase_storage/README.md"
+    "packages/cloud_firestore/README.md",
+    "packages/cloud_functions/README.md",
+    "packages/firebase_admob/README.md",
+    "packages/firebase_analytics/README.md",
+    "packages/firebase_auth/README.md",
+    "packages/firebase_core/README.md",
+    "packages/firebase_database/README.md",
+    "packages/firebase_dynamic_links/README.md",
+    "packages/firebase_messaging/README.md",
+    "packages/firebase_ml_vision/README.md",
+    "packages/firebase_performance/README.md",
+    "packages/firebase_remote_config/README.md",
+    "packages/firebase_storage/README.md"
   ]
 }
\ No newline at end of file