Organise agreement pages into a folder

This keeps them all in one place so they’re easier to work with.

app/main/views/agreement.py

@@ -10,7 +10,7 @@ from app.s3_client.s3_mou_client import get_mou
 @login_required
 def agreement():
     return render_template(
-        'views/{}.html'.format(current_user.default_organisation.as_jinja_template),
+        'views/agreement/{}.html'.format(current_user.default_organisation.as_jinja_template),
         owner=current_user.default_organisation.name,
         navigation_links=features_nav(),
     )
@@ -37,7 +37,7 @@ def public_agreement(variant):
         ))
 
     return render_template(
-        'views/agreement-public.html',
+        'views/agreement/agreement-public.html',
         owner=current_user.default_organisation.name,
         download_link=url_for('.public_download_agreement', variant=variant),
     )