1. new car router logic steps
2. Files Upload middle-ware
3. filename = fieldname.html
4. Use upload-img middle-ware
5. Complete new car Router
6. save user doc inside car document
7. Update user and edit the unlink() method.html
8. We need another middle-ware
9.1 cars-17-require-auth.zip
9. Create the require auth middle-ware
10. update car Router 12
11. update car Router 22 handle images
12. separate $push from $pull.html
13. common folder error
14. car delete Router
15. car shows Routers