Improve documentation

Link

https://supabase.com/docs/guides/storage#next-steps

Describe the problem

One of the bullet points in the linked section is this:

Read more about storage in our blog post.

However, the link to this blog post is broken — perhaps, the blog post was deleted at some point

Describe

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.

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/