Fix: Remove google.generativeai import that was causing ModuleNotFoundError

Remove Google Gemini support - keep only 3 models (OpenAI, Anthropic, DeepSeek)

Fix syntax error in matrix_final.py: correct indentation of else block

Fix: Prevent Streamlit crash when no API keys are set on Render

Fix Render deployment issues: update configs, add health check, fix environment handling

Update deployment to use matrix_final.py - full featured Matrix analyzer

Enhanced: Update instructions to include GitHub Repository analysis mode

Update: Add GitHub Repository analysis to matrix_app.py, fix deployment config

Initial commit: LLM Code Analyzer with multi-model support