[COMPLETE] add loading in all books

[COMPLETE] Inputting log in Text File

[COMPLETE] inputting log in database

[COMPLETE] Error Page Handling and Create UI Author page

[UPDATE] UI layout

[COMPLETE AND FIX] localization

[ISSUE] localization

[COMPLETE] Filter by Authors

[COMPLETE] Search and Pagination for all books and books under category

[COMPLETE] Create and Update author/category and UI for All books page

[COMPLETE]Create and Update book/page

[COMPLETE]Get All Books and All Categories