Hints for freedm in main

Warnings

• asv-desktop-app-launchable-missing
  io.github.freedoom.FreeDM.metainfo.xml -
  This `desktop-application` component is missing a `desktop-id` launchable tag. This means that this application can not be launched and has no association with its desktop-entry file. It also means no icon data or category information from the desktop-entry file will be available, which will result in this application being ignored entirely.
• screenshot-download-error
  Error while downloading screenshot from 'https://freedoom.github.io/img/screenshots/freedm-0.12_02.webp': URL was not found on the server.
  This might be a temporary server issue, or the screenshot is no longer available.
• screenshot-download-error
  Error while downloading screenshot from 'https://freedoom.github.io/img/screenshots/freedm-0.12_03.webp': URL was not found on the server.
  This might be a temporary server issue, or the screenshot is no longer available.
• screenshot-download-error
  Error while downloading screenshot from 'https://freedoom.github.io/img/screenshots/freedm-0.12_06.webp': URL was not found on the server.
  This might be a temporary server issue, or the screenshot is no longer available.
• screenshot-download-error
  Error while downloading screenshot from 'https://freedoom.github.io/img/screenshots/freedm-0.12_08.webp': URL was not found on the server.
  This might be a temporary server issue, or the screenshot is no longer available.