Thinkful course theme editor

Simple, but does the job. (Even after 4 years since its last update.) Aside from not affecting the header and sidebar (list of checkpoints) in a module, which is no big deal, there's one issue where the following style needs to be disabled either manually in the current version of this extension or in an update to it... .main-flow blockquote, .main-flow answer {color: #373a36;}