Add "read" scope to /random
Add modwiki and wikiedit OAuth2 scopes

modwiki: Perform moderator-level wiki actions
wikiedit: Edit wiki pages where you have permission to edit
/dev/api: Add missing wiki endpoints
Remove route for non-existing /api/wiki/create
Add OAuth2 scopes to WikiController endpoints
/dev/api: Correct wiki URLs
/dev/api: Add short docstrings to wiki API endpoints
OAuth2: Give /api/morechildren "read" scope