Add forums and products list to existing Codeigniter app

Hello

I need to add a forum module nd products list added to this support script. https://demo.appsbd.com/support-system/
Add forum functionality to the above app.
Add Products list to the above app.
Attach product to customer
Show forum and products that the customer owns when they login.
Must be fully integrated to the system including roles
Must be able to create groups, sub groups in forum
Allow or deny read, write, update access to specific forum groups or sub groups
Preference will be given to developers that can start right now.
Updates must be given every day.