Hints for mame in main

Hints

• asv-summary-has-dot-suffix
  org.mamedev.MAME.metainfo.xml:7 - MAME is a multi-purpose emulation framework.
  The component summary should not end with a dot (`.`).
• asv-developer-name-tag-deprecated
  org.mamedev.MAME.metainfo.xml:10 -
  The toplevel `developer_name` element is deprecated. Please use the `name` element in a `developer` block instead.
• asv-developer-info-missing
  org.mamedev.MAME.metainfo.xml -
  This component contains no `developer` element with information about its author.