Repair broken hyperlinks in documentation

[jeroenhe]

A small PR to fix currently not working/visible hyperlinks under the More information-section

I'm not familiar with how :ref: statements work in .rst files, so if they are important for these links (I don't think so), please feel free to improve on my PR.

[cyberw]

Lgtm, thanks!

[cyberw]

Hmm... actually, it doesnt look so good? https://docs.locust.io/en/latest/running-cloud-integration.html

[jeroenhe]

Hmm... actually, it doesnt look so good? https://docs.locust.io/en/latest/running-cloud-integration.html

I see. Let me try to fix it for you.

[jeroenhe]

The only two things I can think of to explain this anomaly is:

• The link should have been postfixed with a _, like this:

  `Helm chart <https://helm.sh/>`_
  

• Or links in a list are required to use a :ref: