feat: Create Recipe From HTML or JSON

[michael-genson]

What type of PR is this?

(REQUIRED)

• feature

What this PR does / why we need it:

(REQUIRED)

This PR adds the ability to create a recipe from raw HTML or JSON. We leverage the existing URL scrapers as-is, but bypass calling the target URL and instead provide the HTML/JSON directly (JSON must be in schema.org format, although if OpenAI is enabled it might figure it out regardless).

This is suggested on the create by URL page:

Which brings you here:

You can put HTML or JSON into that text field, however you may optionally use the JSON editor mode for JSON:

The main advantages of this are:

1. If you have raw HTML or JSON from a local recipe (or if you fed something to OpenAI) you can import it here without spinning up a webserver or similar
2. If our scrapers fail for some reason (e.g. the target URL has anti-bot protection, or recipes are locked behind a login) you can use this as a workaround

Which issue(s) this PR fixes:

(REQUIRED)

Closes #3224
Closes #2391

Special notes for your reviewer:

I changed some of the "create" route names because they're getting a bit unorganized. All recipe create routes are now under /recipe/create/.... This is a breaking change, so I added it to the migration docs.

Testing

(fill-in or delete this section)

Pytest