Thinking about a central way to handle Hotfixes

@pcdummy: thanks for taking this on. I like to be able to choose between using the recipe that does all and only using the extends or json-files manually.

@pbauer Thanks for having a look into this! We will provide extendable files to (generated from the JSON).

I've posted the JSON Files please let me know if I miss something, I'm since one year with this community don't know much about hotfixes.