Update dashboard docs for queuing

[gjoseph92]

Closes dask/distributed#7306.

Also some driveby fixes of typos/small inaccuracies in the docs (not exhaustive).

• Tests added / passed
• Passes pre-commit run --all-files

[gjoseph92]

https://dask--9660.org.readthedocs.build/en/9660/dashboard.html#progress

[ncclementi]

This LGTM, we are seeing multiple failures but they are unrelated to this PR.
The only doubt I have and not sure what's going on is with the linting check

[gjoseph92]

WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7f26ec47bbe0>: Failed to establish a new connection: [Errno 101] Network is unreachable')': /packages/b2/6c/9ccb5213a3d9fd3f8c0fd69d207951901eaef86b7a1a69bcc478364d3072/pre_commit-2.20.0-py2.py3-none-any.whl
  WARNING: Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7f26ec47beb0>: Failed to establish a new connection: [Errno 101] Network is unreachable')': /packages/b2/6c/9ccb5213a3d9fd3f8c0fd69d207951901eaef86b7a1a69bcc478364d3072/pre_commit-2.20.0-py2.py3-none-any.whl
  WARNING: Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7f26ec47bf70>: Failed to establish a new connection: [Errno 101] Network is unreachable')': /packages/b2/6c/9ccb5213a3d9fd3f8c0fd69d207951901eaef86b7a1a69bcc478364d3072/pre_commit-2.20.0-py2.py3-none-any.whl
  WARNING: Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7f26ec4a4040>: Failed to establish a new connection: [Errno 101] Network is unreachable')': /packages/b2/6c/9ccb5213a3d9fd3f8c0fd69d207951901eaef86b7a1a69bcc478364d3072/pre_commit-2.20.0-py2.py3-none-any.whl
  WARNING: Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7f[26](https://github.com/dask/dask/actions/runs/3465838377/jobs/5789036313#step:4:28)ec4a42b0>: Failed to establish a new connection: [Errno 101] Network is unreachable')': /packages/b2/6c/9ccb5213a3d9fd3f8c0fd69d207951901eaef86b7a1a69bcc478364d3072/pre_commit-2.20.0-py2.py3-none-any.whl
ERROR: Could not install packages due to an OSError: HTTPSConnectionPool(host='files.pythonhosted.org', port=443): Max retries exceeded with url: /packages/b2/6c/9ccb5213a3d9fd3f8c0fd69d207951901eaef86b7a1a69bcc478364d3072/pre_commit-2.20.0-py2.py3-none-any.whl (Caused by NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7f26ec4a4460>: Failed to establish a new connection: [Errno 101] Network is unreachable'))

for linting: some transient pip stuff setting up pre-commit

[jrbourbeau]

Yep, looks like a connection blip -- restarting that CI build

[gjoseph92]

Looks like linting passed, thanks @jrbourbeau

[ncclementi]

@gjoseph92 Thanks for this, will merge this in!