* fix(grafana-data): copy theme schema json to types so declaration resolves
* refactor(grafana-data): move node scripts out of source code
* feat(grafana-data): generate types for theme schema
* chore(codeowners): update for grafana-data/scripts file move
* feat(grafana-data): put back copy plugin for theme json files
* revert(grafana-data): remove definition output
* feat(grafana-data): make builds great again
* minor tidy up
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Co-authored-by: Ashley Harrison <ashley.harrison@grafana.com>