add swagger docs to signin and signup endooints

services/backend/api/v1/router.py

@@ -4,6 +4,7 @@ from ninja import NinjaAPI
 
 from api.v1 import handlers
 from api.v1.ping.views import router as ping_router
+from api.v1.users.views import router as users_router
 
 router = NinjaAPI(
     title="project_name API",
@@ -17,6 +18,10 @@ router.add_router(
     "ping",
     ping_router,
 )
+router.add_router(
+    "",
+    users_router,
+)
 
 
 for exception, handler in handlers.exception_handlers: