Improve documentation

Link

Not just this Link, This should be done through out the whole docs.
https://supabase.com/docs/guides/auth

Describe the problem

Supabase dashboard in videos and images are outdated and need to be updated for better ease of use.

Describe the improvement

Update the videos and images from the old dashboard to the new dashboard.

When running ./nodebb upgrade, the output should also append to logs/output.log just as it does for ./nodebb start. These logs can be viewed by running ./nodebb log.

Good for beginners, feel free to ask here for tips on getting started.

Currently, people need to rely on lost issues to understand how to send files using the TestClient. I guess we'd want to document how to do that. Even adding a reference to requests would be already helpful here.

A new version of pusher/pusher-http-php (6.x) has been released recently.
Currently there are supported only versions up to 5.x.

Current tools docs could be updated to reflect changelog entry regard rtm.start method deprecation for apps created after Nov 30th, 2021.

The page URLs

• https://slack.dev/python-slack-sdk/real_time_messaging.html

Requirements

Please read the [Contributing guidelines](https://github.com/slackapi/python-slack-sdk/