Chatwoot Customize

I have chatwoot script install on my vps I want to customize it that way to be able to rent the system to clients by monthly payment plan, change logo , and name 1* the default chatwoot works with the meet facebook api, I want to add the official whatsapp api, the one that scans the QR code, the simplest 2* I want to invert the script for saas or crm with its complete pages 2-1* home page with its text feature photos, videos 2-2* payment page, Membership plans that have two forms of payment, one PayPal, the other manual. Paypal must be an automatic monthly charge if the client wishes, and I as administrator must confirm the monthly payment, and also a free trial plan, you have to configure the plans 2-3* page of usage guide 2-4* Registration Page, Login, Welcome Onboarding with an explanation of the first steps