[EPIC] Admin Panel

[crazycooky77]

As a developer, I can have and use admin functionalities so that I can view and moderate all the content, even when hidden from other users.

Potential User Stories

• Admin panel
• View all collections
• Edit all collections
• Delete collections
• View all users
• Edit all users
• Delete users

Linked Stories

• [x] #30
• [x] #31
• [x] #32
• [x] #33
• [x] #34
• [x] #35
• [x] #36