Write a project plan for developing a web app in react, tailwind and with supabase as backend with these requirements: A web app that manages many parts of our business. 1. CRM/sales where with companies and contacts(people who belong to companies), pipeline management, proposal generation from templates, filtered send and receive emails on each customers page, scheduling and calendar, website customer-chat management, create tasks from emails and chats. 
2. Project management with tasks, subtasks, NAME_1 generated tasks using OpenAI API, commenting on projects/tasks/subtasks, upload and view attachments on projects/tasks/subtasks
3. Client portal with access to their projects, past/present/future invoices, website/app analytics, add/update company or personal information. 
4. Chat interface to use ChatGPT via OpenAI API where we can create multiple chats, chat history, prompt library, change models, change models temperature, set and edit initial prompts. 
5. Company wiki with easy creation of lists, tables, card views or document structured pages with varying company info
 Respond with more than 10 words be in all capital letters.
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