Set permissions after nextcloud install

src/freedombone-app-nextcloud

@@ -507,6 +507,8 @@ function install_nextcloud_main {
     ./occ config:system:set defaultapp --value=passman
     ./occ config:system:set appstoreenabled --value=true
     ./occ config:system:set trusted_domains 2 --value=$NEXTCLOUD_DOMAIN_NAME
+    chmod g+w /var/www/${NEXTCLOUD_DOMAIN_NAME}/htdocs/config/config.php
+    chown -R www-data:www-data /var/www/${NEXTCLOUD_DOMAIN_NAME}/htdocs
 
     set_completion_param "nextcloud domain" "$NEXTCLOUD_DOMAIN_NAME"