Queue documentation needs more links/explanation

[tomczoink]

At certain points, such as the following, the queue docs /general/queues talks about a lot of Ably specific concepts without actually explaining them or linking to explanations.

Then you need to go to your app dashboard to retrieve an API key that has access to the queues (your root key will typically have access to subscribe to all queues). Then check the server endpoint, vhost and queue name (which is always prefixed with a scope which is your appId) from the queue dashboard (see above) and issue a command such as:

We should do a review of this document, to ensure it's clear, succinct, and provides readily-available information on anything Ably-specific.

┆Issue is synchronized with this Jira Task by Unito