Initial setup of frontend and backend

backend/src/app/api/health.py

@@ -0,0 +1,15 @@
+from fastapi import APIRouter
+
+router = APIRouter(tags=["health"])
+
+
+@router.get("/health")
+async def health_check():
+    """Health check endpoint."""
+    return {"status": "healthy"}
+
+
+@router.get("/")
+async def root():
+    """Root endpoint."""
+    return {"message": "Nuzlocke Tracker API", "docs": "/docs"}