Add microposts routes for create and destroy
Users must be logged in to create and destroy microposts
Add logged_in_user method
Remove logged_in_user method
before action logged_in_user and methods create and destroy
Add micropost params and create the method create using current_user.microposts.build
Add if statement to display microposts form if user is logged_in
Add micropost form partial
Add partial for the user info displayed in the home page
Define @micropost in home page
Add form variable f to the partial and access the associated object through f.object
Fix bug: Expecting end of input in create method
Update error messages to display any given object instead of only @users
Add form variable f and access through f.object
Fix typo: textarea to text_area