Add prompts index
Add logolink
Users can create prompts, can see all prompts
Users are affiliated with created prompts
Prompts have categories
Users can comment on prompts
Add comment validations, dependent destroy for comments
Add Admin column to users
Add admin greeting
Prompts render on prompts/index
Admins can create and edit categories
Admins can delete categories
AR association prompts/categories
Users can add categories to prompts
Users can vote on posts Reddit-style
Users can vote with AJAX
Scope projects to current user
Projects have meaningful categories
Users can delete projects with AJAX