🏷️ Add strict typing dicts for ts_library.json

[chao-master]

Wip: Adds a new file json_typing.py that includes TypedDict declarations for the json file format Then uses those thoughout core where nessesary.

The main benefit is strict typing checking then making and reading the json

Unfinished work:

• fields, I couldn't work out that is being stored or loaded here
• macros, I can't actually tell if these are used