Add Render.com deployment config

Author: snigdhareddy482

render.yaml

@@ -0,0 +1,11 @@
+services:
+  - type: web
+    name: lumiclaim-backend
+    env: python
+    buildCommand: pip install -r requirements.txt
+    startCommand: uvicorn backend.main:app --host 0.0.0.0 --port $PORT
+    envVars:
+      - key: GEMINI_API_KEY
+        sync: false
+      - key: PYTHONPATH
+        value: .

requirements.txt

@@ -16,3 +16,10 @@ ragas==0.2.1
 datasets==3.2.0
 langchain-google-genai==2.0.7
 langchain-community==0.3.16
+
+# Backend (FastAPI)
+fastapi==0.115.6
+uvicorn==0.34.0
+python-multipart==0.0.20
+pypdf2==3.0.1
+aiofiles==24.1.0