Merge pull request #636 from appwrite/fix-138-flutter-missing-web

Author: lohanidamodar

templates/flutter/pubspec.yaml.twig

@@ -5,6 +5,13 @@ homepage: {{sdk.url}}
 repository: https://github.com/{{sdk.gitUserName}}/{{sdk.gitRepoName}}
 issue_tracker: https://github.com/appwrite/sdk-generator/issues
 documentation: {{ spec.contactURL }}
+platforms:
+  android:
+  ios:
+  linux:
+  macos:
+  web:
+  windows:
 environment:
   sdk: ">=2.17.0 <3.0.0"