add sidebar
install sammyk/laravel-facebook-sdk package
modify secret parameters into .env.php file for secure
add facebook login
add custom vaildator, because current only allow login with facebook
modify base controller
fix syntax errors
refactoring migrations
update user model to conform table
update home controller with homepage and login
remove not use file or content
fix migration user table syntax error
save access token into user table
modify homepage content
update confide
update user model and table, add name column to replace username
add logout function and button
modify css little change
add account layout
add books layout