Move all pages into their own directory

There are a lot of pages. It seems like a good idea to keep them in one place,
so they don’t get mixed up with partials and layouts.

app/main/views/verify.py

@@ -8,7 +8,7 @@ from app.main.forms import VerifyForm
 
 @main.route('/verify', methods=['GET'])
 def render_verify():
-    return render_template('verify.html', form=VerifyForm())
+    return render_template('views/verify.html', form=VerifyForm())
 
 
 @main.route('/verify', methods=['POST'])