add lesson content - move breadcrumbs into nav bar
wrap lesson content in a div
UI/UX enhancements, mobile responsiveness
sidebar navigation implemented - reorganization of templates
global padding and color adjustments
create login page templates
basic login page styles
btn-primary modifier now displays maroon instead of blue
setup names for page routes to ease link generation
link header sign in button
link home nav button to homepage route
remove update and destroy methods from the lessons controller
add routing support for english and spanish
add sample language files for spanish and english, lessons controller now loads this language content
create a route to set locale in user's session
add migration for translation table and locales table
add eloquent models for locale and translation - setup eloquent relationships
remove flat file translation in favor of database based translation
Lessons now have related translations which belong to locales - we can calculate the translation in the view and decide which translation of a lesson to show - if no translation is necessary, translations are not queried
/lang/<locale> routes will now redirect to previous referrer