feat: added duration_days to /users/subscriptions

routes/users.py

@@ -30,6 +30,7 @@ async def get_subscription(ctx: AuthContext = Depends(get_auth_context)):
             expires_at=None,
             addon_ids=[],
             subscription_link=None,
+            duration_days=None,
         )
     rw_user = await get_rw_user(get_sdk(), ctx.user.telegram_id, ctx.user.username)
 
@@ -39,6 +40,7 @@ async def get_subscription(ctx: AuthContext = Depends(get_auth_context)):
         expires_at=sub.expires_at,
         addon_ids=[a.addon_id for a in sub.addons],
         subscription_link=build_subscription_link(rw_user.short_uuid),
+        duration_days=sub.duration_days,
     )