Validate plugins and icon packs

Workflow runs for Validate plugins and icon packs

• fix: icon packs authors array was invalid

  completed successfully:
  Validate plugins and icon packs#2:Commitafb8489pushedbyjacobtread
  main

  Aug 31, 202615s
  More actions for workflow run 2

• feat: add validator action for json files and schemas

  failed:
  Validate plugins and icon packs#1:Commitbcf79fcpushedbyjacobtread
  main

  Aug 31, 202615s
  More actions for workflow run 1