Add requirements.txt for fast api

backend/requirements.txt

@@ -0,0 +1,33 @@
+anyio==3.6.2
+certifi==2022.12.7
+click==8.1.3
+dnspython==2.2.1
+email-validator==1.3.0
+fastapi==0.88.0
+h11==0.14.0
+httpcore==0.16.2
+httptools==0.5.0
+httpx==0.23.1
+idna==3.4
+itsdangerous==2.1.2
+Jinja2==3.1.2
+MarkupSafe==2.1.1
+numpy==1.23.5
+orjson==3.8.3
+pandas==1.5.2
+pydantic==1.10.2
+python-dateutil==2.8.2
+python-dotenv==0.21.0
+python-multipart==0.0.5
+pytz==2022.6
+PyYAML==6.0
+rfc3986==1.5.0
+six==1.16.0
+sniffio==1.3.0
+starlette==0.22.0
+typing_extensions==4.4.0
+ujson==5.6.0
+uvicorn==0.20.0
+uvloop==0.17.0
+watchfiles==0.18.1
+websockets==10.4