Create datalog query from JSON Schema or Typescript schema

[gordonbrander]

• Derive queries automatically from Typescript or JSON Schema.
• Cells should contain json-typed data

[seefeldb]

A useful first step to unblock integration is just the ability to query open-ended JSON, i.e. what in typescript is:

type JSONValue = | string | number | boolean | null | JSONValue[] | { [key: string]: JSONValue };