Hints for amdgpu_top in main

Warnings

• asv-content-rating-type-missing
  io.github.umio_yasuno.amdgpu_top.metainfo.xml:6 -
  The `type` attribute of this `content_rating` element is missing or empty.
• missing-launchable-desktop-file
  The MetaInfo file references a .desktop file with ID 'amdgpu_top-tui.desktop' in its launchable tag, but the file was not found in the same source tree. In order to be able to launch the software once it was installed, please place the MetaInfo file and its .desktop files in the same package.