Merge branch 'release/update-gem-lock1'
Added specs to test course buttons and lessons pagination
Added course buttons to the index page
Merge branch 'feature/add-course-buttons-to-the-index-page' into develop
Merge branch 'release/move-course-lessons-to-production'
Merge branch 'master' of https://github.com/groomycian/nouscourse
fix-faker-env
Merge branch 'hotfix/fix-faker-env' into develop