only allow logged in users to edit, update, or add blog posts
add link to edit posts
allow logged in users to delete posts
hide the password when users are signing up
show edit, delete, and new buttons only if a user is logged in
show the author of each post
list posts by the order that they were written
allows users to only edit or delete the posts that they created
add header
edit formatting on index page
ensure signin path works
check the route for invalid sign in
ensure that sign up paths work correctly
ensure path for adding posts works
edit layout for the new post page
add formatting for sign up
ensure path for unsuccessful posts works