docs: update README.md with comprehensive features and setup instructions

feat: add PromptTemplates and PromptTesting components for managing and testing prompt templates

feat: Add prompt mutation functionality with Pinecone integration

feat: Add career tools including CV tailoring and interview preparation features

feat: Add Job Tailor Form, Profile Upload, and Smart Assistant components

refactor: clean up Tailwind CSS dependencies in package.json and package-lock.json

feat: integrate Tailwind CSS and enhance UI components

refactor: simplify status check in Joyride callback

first commit