feat(services): add authenticated services listing

app/api/services/router.py

@@ -0,0 +1,14 @@
+from fastapi import APIRouter, Depends, Request
+
+from core.security import require_authenticated_user
+
+router = APIRouter(
+    prefix="/services",
+    tags=["Services"],
+    dependencies=[Depends(require_authenticated_user)],
+)
+
+
+@router.get("")
+async def get_services(request: Request):
+    return request.app.state.services