Community name validation

[mzparacha]

Link to Issue

Closes: #8967

Description of Changes

Added community name validation to only allow these characters in name

a-z A-Z 0-9 ! @ # & ( ) : _ $ \ / | .

and single spaces b/w chars

"How We Fixed It"

N/A

Test Plan

• Create a new community - verify you get errors on invalid chars in community name
• Update an existing community - verify you get errors on invalid chars in community name
• Verify trending communities response doesn't return existing communities with invalid chars in community name

Deployment Plan

N/A

Other Considerations

N/A

[mzparacha]

good point, actually i move the same logic to get communities query https://github.com/hicommonwealth/commonwealth/pull/9159/files#diff-b60b043e77bd821e2ae44ad3a9ff88df3c70dda2f138c77d9568ec4ebeac3e38
to handle these existing communities cases

[Israellund]

LGTM