fix(codegen): Adds codegen for embedded objects and timer fields (#686)

* Adds code genning for embedded objects. See `AquariumState` as an example.
* Adds code genning for fields that are `Timer`. See `Aquarium` as an example.
* Codegens aquariums
* Fixes missing option for most primitive field types.

Projects/UOContent/Migrations/Server.Items.LocalizedAddonComponent.v0.json

@@ -6,7 +6,9 @@
       "name": "Number",
       "type": "int",
       "rule": "PrimitiveTypeMigrationRule",
-      "ruleArguments": []
+      "ruleArguments": [
+        ""
+      ]
     }
   ]
 }