Use active_model_serializers for JSON serialization
Created bookmark resource
add devise gem for authentication solutin
initial user model
devise generated files
migration for user model
initial test for user model
add user relationship
add basic validation to bookmark model
add authentication token support to application controller
add user_id column to bookmarks table
check uniqueness of url by user_id
add mimeresponds and strong params support to rails api
enable http auth and skip session storage
Add project title and description to README
add custom auth failure to devise
base controller for api controllers
initial registrations controller
use nested routes to setup api versioning
fix misspelling of generate_authentication_token function