[Feature] User group/community page

[Abhiranjanchaurasia]

Describe the solution you'd like
I have an idea that we can implement the feature of groups with the existing app and the user may have a great experience regarding the group.
The better explanation may as follows:
Based on my idea, seems to me that a bit more may be needed. Maybe something like:

1. One group can have many users.
2. One user can belong to many groups.
3. Within a group, users create topics (topic = subject; theme; a category or general area of interest.)
4. Within a topic, users create new posts or reply to previous posts.
   The database may be designed in given below manner: