/create-post
{
"category": "",
"user_id": "",
"user_name": "",
"title": "",
"body": ""
}/delete-post
{
"id": 1
}/create-comment
{
"post_id": "",
"body": ""
}/delete-comment
{
"id": 1
}/add-heart
{
"id": 1
}/remove-heart
{
"id": 1
}