Updated requirements.txt to include openai

Switched LLM engine to OpenAI

Swtiched to OpenAI

changed the prompt

Added Dev Container Folder

Adding missing humanizer.py file for cloud deployment

fixed the file name from humanizer to rewriter

Removed dotenv to make cloud hostring work

Switched to Streamlit Secrets for cloud deployment

Initial commit: AI Humanizer Streamlit Web App with Groq Integration