First version of the uffd collection

Signed-off-by: Nis Wechselberg <enbewe@enbewe.de>

roles/uffd/templates/nginx.conf.j2

@@ -0,0 +1,13 @@
+server {
+    listen          80;
+    server_name     _;
+
+    location / {
+        uwsgi_pass  uffd-app:3031;
+        include     uwsgi_params;
+    }
+
+    location /static {
+        alias       /var/www/uffd/static;
+    }
+}

roles/uffd/templates/uffd.cfg.j2

@@ -0,0 +1,3 @@
+FLASK_ENV="production"
+SQLALCHEMY_DATABASE_URI="sqlite:////var/lib/uffd/db.sqlite"
+SECRET_KEY="{{ uffd_secret_key }}"