Build a forum in Django

I need a forum made in django using [login to view URL] It will be used by companies to have private discussions on building projects so i need the following modifications add the ability to create groups which users can be a part off, in this case the group will be a company so if users are not members of the forum an email invitation will be sent, and if they sign up then they will be automatically added to the group/company a company admin can start a new company thread and invite users and/or other companies/groups to the private thread · Project managers should be able to create groups for specific projects. Here the project manager will be able to invite certain companies which are already registered on the platform to join the group. · Here people will be able to communicate and get updates about the project. · Only the group admin should able to invite and remove people. · Every time the user logins in they should be able to see if they have notifications or not. · All users should be able to upload images and comment on the conversations. system able to notify people via email when they have notifications. These notifications will come in form of someone commenting on a comment that a user might have made.