feat: Add support for "project_destroy" and "project_rename" hooks

Resolves #80 (closed)

spec/openapi.yaml

@@ -329,3 +329,8 @@ components:
         project_visibility:
           type: string
           description: "The project's visibility (public, private)"
+        old_path_with_namespace:
+          type:
+            - 'null'
+            - string
+          description: The old path with namespace, only used in 'project_rename' hooks