Hints for bleachbit in main

Warnings

• asv-type-property-required
  org.bleachbit.BleachBit.metainfo.xml:26 - translation ()
  This tag requires a type property.
• asv-tag-empty
  org.bleachbit.BleachBit.metainfo.xml:26 - translation
  The mentioned tag is empty, which is highly likely not intended as it should have content.