FEAT Add required parameters

manifests/default.pp

 class { 'nextcloud':
-  # manage_apache => true,
-  # manage_redis  => true,
-  manage_mariadb  => true,
-  mariadb_password  => 'S3cr#TPassw0rdz',
+  manage_apache     => true,
+  manage_redis      => true,
+  manage_mariadb    => true,
+  db_password       => 'S3cr#TPassw0rdz',
+  nc_admin_username => 'ncadmin',
+  nc_admin_password => 'ncpass'
 }