Validate schema Validate formatting

These are JSON Schema files for the SpaceAPI.

• Make sure the CHANGELOG.md is up to date
• Update MIGRATION.md with upgrade instructions
• Rename the current xx-draft.json to xx.json and create xx+1-draft.json
  • Replace the "$id" field accordingly
  • Replace the "description" field accordingly
  • Replace the "properties"."api_compatibility"."contains"."const" accordingly
  • Update the .github/workflows accordingly
• Update the website
  • Regenerate the schema docs
  • Update the example
• Update the validator
  • Update the schema in https://github.com/spaceapi-community/go-spaceapi-validator and release a new version
  • Update the go-spaceapi-validator version in https://github.com/SpaceApi/validator/