Implement versioning strategies in js 🧉

src/model/index.js

@@ -7,5 +7,17 @@ import ImageTag from './image-tag';
 import Platform from './platform';
 import Project from './project';
 import Unity from './unity';
+import Versioning from './versioning';
 
-export { Action, BuildParameters, Cache, Docker, Input, ImageTag, Platform, Project, Unity };
+export {
+  Action,
+  BuildParameters,
+  Cache,
+  Docker,
+  Input,
+  ImageTag,
+  Platform,
+  Project,
+  Unity,
+  Versioning,
+};