Endpoint liking and disliking endpoint

[Ajknight121]

Server handles requests to like and dislike a post

• update user model to have list of liked comments and list of liked posts.
• update user model to have list of disliked comments and list of disliked posts.

Server will check the userid of the request and check if they have already liked a post.

If liking/disliking for the first time adds to the liked post
if already liked or disliked the user will remove the current like or dislike and apply the new like/dislike or remove the old like/dislike