- [x] 1. Multilevel structure: Modules, Themes, Lessons. - [x] 2. Possibility to add different content in the lesson: Posts, Photos, Videos, etc. - [x] 3. Updated Back end. - [x] 4. Updated Front end. - [x] 5. Add 'Learning Progress' block. [Percent --- X Attended/ Y Passed / Z Not Passed]