add: requirements

requirements.txt

@@ -0,0 +1,15 @@
+python-dotenv
+gradio==3.50.2
+anthropic==0.18.1
+pydantic>=2.4.2
+openai>=1.51.2
+google-cloud-aiplatform>=1.68.0
+typing-extensions>=4.8.0
+google-generativeai>=0.8.2
+tiktoken>=0.8.0
+boto3>=1.35.10
+setuptools>=75.3.0
+opencv-python>=4.10.0.84
+vertexai>=1.71.1
+azure-identity>=1.16.0
+azure-search-documents>=11.4.0