added Json Schema for dtspec yaml format

[fuchsst]

The Json schema allows users to reference it from their IDE (e.g. VSCode or IntelliJ) and get support by the editor, like syntax highlighting and code completion.

IntelliJ: https://www.jetbrains.com/help/idea/json.html#ws_json_schema_add_custom
VSCode: https://code.visualstudio.com/docs/languages/json#_json-schemas-and-settings

[gnilrets]

Hi and thanks for the contribution. Would you be able to combine this with the json schema that is already defined? Is this where you started, and you just added the descriptions? If so, maybe just change this to load from the file you created rather than having the schema hard-coded in the .py file.

[fuchsst]

oh...i totally missed that one. i took referred to the readme...

sure, will take this as a basis and double check (and fix)!

[fuchsst]

so took the existing schema in api.py as base, added some descriptions and extracted it into a yaml that is now loaded in api.py

[gnilrets]

I moved your PR here since this project is no longer being maintained by Inside-Track.