Also added a series of logging primitives to the TS code.

Added more pedantic validations preventing simple dummy data from being loaded.

Using NODE_ENV to determine if frontend code should be included in the build.

Fixes issue with zip file handling.

Making use of the newly added `buildRomData()` method.

Making use of the newly added `buildRomData()` method.

Makes use of the most recent save state support in EmuKit.
Thumbnail image support.