feat(notification): add confirmation_instructions and new_post

examples/blog/app/views/mailers/notification/password_reset.html.erb

@@ -0,0 +1,4 @@
+<h1>Reset your password</h1>
+<p>Hi <%= user.email %>, someone (hopefully you) asked to reset your Prism Blog password.</p>
+<p><a href="<%= reset_url %>">Choose a new password</a></p>
+<p>This link expires in 15 minutes. If you didn't request this, you can ignore this email.</p>