refactor: module federation

Signed-off-by: Sebastian Krupinski <krupinski01@gmail.com>

src/models/index.ts

@@ -1,7 +1,14 @@
-export { CollectionObject } from './collection';
-export { EntityObject } from './entity';
 export { ProviderObject } from './provider';
 export { ServiceObject } from './service';
+export { 
+  CollectionObject,
+  CollectionPropertiesObject
+} from './collection';
+export { EntityObject } from './entity';
+export { 
+  MessageObject,
+  MessagePartObject
+} from './message';
 export {
   Identity,
   IdentityNone,