Hints for metadata-cleaner in main

Warnings

• screenshot-download-error
  Error while downloading screenshot from 'https://gitlab.com/rmnvgr/metadata-cleaner/-/raw/master/data/screenshots/1.png': 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://gitlab.com/rmnvgr/metadata-cleaner/-/raw/master/data/screenshots/2.png': 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://gitlab.com/rmnvgr/metadata-cleaner/-/raw/master/data/screenshots/3.png': URL was not found on the server.
  This might be a temporary server issue, or the screenshot is no longer available.