Migrate on architecture design to Aspect oriented programming

[CharlesPhilippeLabbe]

See the wiki page for explanations

• [x] Find an AOP package in npm
• [x] Choose Which
• [x] Explain why
• [x] Implement
• [x] Test
• [x] Show difference

[CharlesPhilippeLabbe]

-Implementation is not fully completed, the transformation of UserMapper, and the creation of -ClientMapper remains -CatalogueMapper, and AdminDashboardMapper are fully migrated -Queries for modify, add, and delete need some tweaks.

[CharlesPhilippeLabbe]

Client dashboard migration is done, but not tested