user purchase page upgraded with invoice links

modified: make_post_sell/models/user.py modified: make_post_sell/routes.py modified: make_post_sell/templates/invoice.j2 deleted: make_post_sell/templates/products.j2 modified: make_post_sell/templates/sales.j2 deleted: make_post_sell/templates/sales_details.j2 new file: make_post_sell/templates/user_purchases.j2 modified: make_post_sell/views/invoice.py modified: make_post_sell/views/sales.py modified: make_post_sell/views/user.py

Summary by CodeRabbit

• New Features

  • Introduced a new relationship for managing invoices within user profiles.
  • Added a new template for displaying user purchase information, including invoices and products.
  • Implemented a new route for viewing invoices with a simplified URL format.

• Bug Fixes

  • Improved error handling and clarity in user permission checks for invoice retrieval.

• Documentation

  • Updated labels and organization in the invoice template for better usability.

• Style

  • Enhanced table styles and responsiveness across various sections of the application.

• Chores

  • Removed outdated routes and templates to streamline the application.