[Teams] Disallow team names that are also user names or that conflict with dashboard URLs

[jankeromnes]

When creating a new Team, one should not be able to give it a name such that:

• It's called the same as / looks like a user
• Its gitpod.io/:slug URL conflicts with an existing dashboard URL (e.g. "Workspaces" should be forbidden)

As specified in #4355

Follow-up to #4401

[corneliusludmann]

Is it planned to use a blocklist as well to prevent team names like admin, support etc? There are a lot of lists out there, e.g. https://github.com/marteinn/The-Big-Username-Blocklist.

[gtsiolis]

Cross-posting a comment from a relevant discussion (internal):

question: Would it be worth it to reconsider generating team and project URLs with a random hash suffix or prefix attached?
Like:

gitpod.io/team-o9yti4go/project-1bik3oxv/

or

gitpod.io/team/o9yti4go/team-name/ +
gitpod.io/project/1bik3oxv/project-name/

[jankeromnes]

I personally think this looks much less nice. I'm quite happy to have https://github.com/jankeromnes, and would find GitHub much less nice if I had to use https://github.com/jankeromnes-o9yti4go instead.

@gtsiolis-o9yti4go what do you think? 😇

[gtsiolis]

@jankeromnes your call! Posted the comment in #4469 (comment) in case it could make this issue obsolete or redundant. In terms of UX or Product both options could suffice. Looking forward to see how this implementation will work in action. 👀