Description

This change is the second attempt at endorsing firebase_analytics_web as the default implementation for web of firebase_analytics.

It also adds support for web to the example app (modify index.html with your project config and run flutter run -d chrome)

Related Issues

• Fixes: [firebase_analytics] Support firebase_analytics on web. flutter/flutter#45289
• Fixes: Firebase Analytics for Web wrong Readme #2802
• Re-do of: [firebase_analytics] Endorse web implementation. #2794

Checklist

Before you create this PR confirm that it meets all requirements listed below by checking the relevant checkboxes ([x]). This will ensure a smooth and quick review process.

• I read the Contributor Guide and followed the process outlined there for submitting PRs.
• If the pull request affects only one plugin, the PR title starts with the name of the plugin in brackets (e.g. [cloud_firestore])
• My PR includes unit or integration tests for all changed/updated/fixed behaviors (See Contributor Guide).
• All existing and new tests are passing.
• I updated/added relevant documentation (doc comments with ///).
• The analyzer (flutter analyze) does not report any problems on my PR.
• I read and followed the Flutter Style Guide.
• I updated pubspec.yaml with an appropriate new version according to the pub versioning philosophy.
• I updated CHANGELOG.md to add a description of the change.
• I signed the CLA.
• I am willing to follow-up on review comments in a timely manner.

Breaking Change

Does your PR require plugin users to manually update their apps to accommodate your change?

• No, this is not a breaking change.