Seed/serialize ProgrammingClass

[bethanyaconnor]

Adds seed and serializing ProgrammingClass! If editing starts before this is in, work could be lost so I wanted to get this in before then. Methods will also need to be serialized, but I'll add that logic later.

It'll write something like:

{
  "category_key": null,
  "content": null,
  "examples": null,
  "external_documentation": null,
  "fields": null,
  "key": "vector",
  "name": "vector",
  "syntax": null,
  "tips": null
}

I based this logic very heavily on the ProgrammingExpression seeding logic here.

Links

Testing story

Deployment strategy

Follow-up work

Privacy

Security

Caching

PR Checklist:

• Tests provide adequate coverage
• Privacy and Security impacts have been assessed
• Code is well-commented
• New features are translatable or updates will not break translations
• Relevant documentation has been added or updated
• User impact is well-understood and desirable
• Pull Request is labeled appropriately
• Follow-up work items (including potential tech debt) are tracked and linked

[maureensturgeon]

I don't have a ton of context, but from what I can tell, looks good to me!