[Idea] Implement a mapping of preview accept headers to endpoints

[webknjaz]

• Figure out whether it's possible with the currently available info in docs

Ref: https://github.community/t5/GitHub-API-Development-and/FR-Preview-API-missing-a-consolidated-accept-media-table/m-p/20157#M1085

[webknjaz]

It looks like octokit/routes and octokit/webhooks.js have this data and the autoupdate algorithm:

• https://github.com/octokit/routes/commit/9ab097e/checks?check_suite_id=322429093#step:8:15 / https://github.com/octokit/routes/blob/9ab097e/.github/workflows/update.yml#L5-L37 / octokit/routes@5eaf2c7
• 🤖📯 Octokit routes changed octokit/routes#572
• https://github.com/swinton/github-rest-apis-for-insomnia/blob/master/index.js
• https://github.com/octokit/routes/blob/master/openapi/api.github.com/index.json
• https://github.com/octokit/routes/blob/master/openapi/api.github.com/operations/checks/update.json
• https://github.com/octokit/routes/blob/9ab097e/bin/octokit-rest-routes.js
• https://github.com/octokit/routes/blob/9ab097e/lib/check-or-update-routes.js
• https://github.com/octokit/routes/releases / https://www.npmjs.com/package/@octokit/routes (JSON specs)
• https://github.com/khornberg/octokitpy-routes / https://pypi.org/project/octokitpy-routes (probably outdated)
• https://github.com/octokit/webhooks.js/blob/master/lib/webhook-names.json
• https://github.com/octokit/routes/pull/579/files
• https://github.com/octokit/routes/commit/74ece7685f8694a141c3e2ae20498c67b2e1d3d6/checks?check_suite_id=253177500
• https://github.com/octokit/routes/blob/master/bin/notify-users.js

[webknjaz]

Also octokit/graphql-schema:

• https://github.com/octokit/graphql-schema/blob/master/schema.graphql
• https://github.com/octokit/graphql-schema/blob/master/schema.json