Add collection to pubspec.yaml.

cloudwebrtc · cloudwebrtc · commit 844d7dccdc26 · 2022-08-05T20:49:00.000+08:00
diff --git a/pubspec.yaml b/pubspec.yaml
@@ -7,6 +7,7 @@ environment:
   flutter: ">=2.0.0"
 
 dependencies:
+  collection: ^1.16.0
   crypto: ^3.0.0
   flutter_webrtc: ^0.9.1
   intl: ^0.17.0
