added the main and about page, added the courses and sections
added forums, topics and posts and added the relationship between them in the models
changed the routes and add the forums
Added content into the topics page and added my quetions page
added the page to show answers and my answers and make the users can vote for the questions and answers
added the votes table to make the answers and questions can only vote up once for one user
added the animations and added more comments
Modified the Readme file