Add Category table
Authz for category
Category authz added
Add Category section to admins view
List categories in admin view
Add Category method
Fixes for the layout
Delete category method added
Minor improvements to layout
Raise a 403 error if user is not allowed to delete it
Update Category method added (templates also)
Unit Tests for Categories
Add ids for BeautifulSoup tests
Unit Tests Categories Update
Unit Tests for delete Category
Add category_id column to app
Add Categories to applications in the create option
Add update category_id to update app endpoint
Add slug to category
Show apps according to a category