Added Commands in Case of Errors
Added Commands in Case of Errors

Added `sudo bundle clean --force` command in order to clean the bundle if it displays an error when trying to serve the page.
mmilutinovic1313/program-hub,mmilutinovic1313/program-hub,open-curriculum/program-hub,open-curriculum/program-hub,mmilutinovic1313/program-hub,open-curriculum/program-hub