Feature/codegen (#1480)

* Add the ability to automatically generate code to extract values out of a Dictionary (see https://github.com/openspace/codegen for more information on how to use this)
* Applied this technique to a large number of cases in the codebase
* Don't add _codegen files to the repository

Co-authored-by: Emma Broman <emma.broman@liu.se>

modules/sync/tasks/syncassettask.cpp

@@ -56,12 +56,6 @@ documentation::Documentation SyncAssetTask::documentation() {
         "SyncAssetTask",
         "sync_asset_task",
         {
-            {
-                "Type",
-                new StringEqualVerifier("SyncAssetTask"),
-                Optional::No,
-                "The type of this task"
-            },
             {
                 KeyAsset,
                 new StringAnnotationVerifier("A file path to an asset"),