add requirements.txt for NegaBot API dependencies

requirements.txt

@@ -0,0 +1,24 @@
+# NegaBot API Requirements
+# Core ML and API dependencies
+transformers>=4.35.0
+torch>=2.0.0
+fastapi>=0.104.0
+uvicorn[standard]>=0.24.0
+pydantic>=2.5.0
+
+# Dashboard and visualization
+streamlit>=1.28.0
+pandas>=2.1.0
+matplotlib>=3.7.0
+seaborn>=0.12.0
+plotly>=5.17.0
+wordcloud>=1.9.0
+
+# Database and utilities
+sqlalchemy>=2.0.0
+python-multipart>=0.0.6
+
+# Development and testing
+httpx>=0.25.0
+requests>=2.31.0
+gunicorn>=21.2.0