Hints for handbrake in main

Warnings

• asv-type-property-required
  :5 - translation (ghb)
  This tag requires a type property.
• asv-mimetypes-tag-deprecated
  :104 -
  The toplevel `mimetypes` tag is deprecated. Please use `mediatype` tags in a `provides` block instead to indicate that your software provides a media handler for the given types.