Create render.yaml

Adding render.yaml for Render deployment

render.yaml

@@ -0,0 +1,9 @@
+services:
+  - type: web
+    name: media-gen-api
+    runtime: python
+    buildCommand: "pip install -r requirements.txt"
+    startCommand: "uvicorn backend.main:app --host=0.0.0.0 --port=10000"
+    envVars:
+      - key: PORT
+        value: 10000