add comment reply notification
delete notifications on read
add comment reply UI
update README
Improve ui if category templates
Improve post index page
Improve post index page buttons
Improve footer
Improve post individual templates
Update correct selector
Delete related notification on post foreign key delete
Improve new post UI
Improve comments
Improve user pages
remove unused comment index page
Don't expand the button on hover
Improve notification page
fix linking issue
Update README.md
Notify the post reply