Tag4 - Release version

• Fix little bugs

Front-end-deployed

Finalised front end - layout styling & design.

backend-function-developed

Backend function deployed:
Post: comment, like
Channel: upload post, follow user, unfollow user
Search: search user, search post
Homepage: display all posts, display followed user post

Design base html & initialize database structure

• Initialize the base.html
• Initialize the database structure
• design the basic function & html layout