[Messenger example] join group

xx-messenger example

• Display group details
• Accept pending group invitations (join group)

assigned to @darrarski.xx

added 2 commits

• dd822557 - Fetch and display group details
• a5ab6975 - Implement joining a group

Compare with previous version

marked this merge request as ready

changed the description

requested review from @brunomunizaf

enabled an automatic merge when the pipeline for a5ab6975 succeeds

mentioned in commit a869acdb

merged