Add check_enabled in __init__.py

src/jcloud_deployment_server/integrations/gitea/middlewares/__init__.py

@@ -12,8 +12,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from . import signature
+from . import check_enabled, signature
 
 __all__ = [
+    'check_enabled',
     'signature'
 ]