update readme.md

readme.md

@@ -8,5 +8,15 @@
 ## Install
 ```bash
 cd backend && pip install requirements.txt
-cd ../frontend && yarn && yarn serve
+cd ../frontend && yarn
+```
+
+## Frontend
+```bash
+cd frontend && yarn && yarn serve
+```
+
+## Backend
+```bash
+cd backend & uvicorn main:app --reload
 ```