Hints for kfourinline in main

Hints

• asv-summary-has-dot-suffix
  org.kde.kfourinline.appdata.xml:43 - KFourInLine in KDE:n neljä riviin -peli.
  The component summary should not end with a dot (`.`).
• asv-content-rating-missing
  org.kde.kfourinline.appdata.xml -
  This component has no `content_rating` tag to provide age rating information. You can generate the tag data online by answering a few questions at https://hughsie.github.io/oars/
• asv-summary-has-dot-suffix
  org.kde.kfourinline.appdata.xml:50 - KFourInLine er eit fire-på-rad-spel frå KDE.
  The component summary should not end with a dot (`.`).