Build an fastapi project boilerplate

[utk2103]

• Consist of api endpoint with defined routes
• Make APIs flexible for scaling (learn how to make flexible)
• Auth and JWT setup on swagger docs as well
• signin/login endpoints
• Rbac
• Write templates for openai, gemini, openrouter calls (being used most of the time)
• Write api in a way that every process results in a Job Id and then we get end result
• basic error handling and logging
• write basic tests