Build me a chrome extension that works with my crm -- 2

hello, I have a mobile crm app and I want you to Build me a google chrome extension that does the following 1)logs the user in using a 6 digit code generated by my app.APi will return true plus userid or false 2) give the users an option to add leads right from whatsapp chat window.a chat form will open with fixed fields like name and number.Atleast name or number should be prefilled. 3)save this number to CRM using my api . 4) SYNC chat of the contact in notes and keep it in sync using the API 5)create and view task from whatsapp 6)create and view lead details ,notes from whatsapp