Hints for pim-data-exporter in main

Hints

• asv-summary-has-dot-suffix
  org.kde.pimdataexporter.appdata.xml:48 - Saves all data from PIM apps and restore them in other systems.
  The component summary should not end with a dot (`.`).
• asv-description-first-para-too-short
  org.kde.pimdataexporter.appdata.xml:91 - PIM Data Exporter exports and imports PIM settings
  The first `description/p` paragraph of this component might be too short (< 80 characters). Please consider starting with a longer paragraph to improve how the description looks like in software centers and to provide more detailed information on this component immediately in the first paragraph.