Hints for pragha in main

Hints

• metainfo-validation-hint
  Validation of the metainfo file yielded the following hint: Consider using a secure (HTTPS) URL for 'http://pragha-music-player.github.io/images/Pragha-W7.jpg'
• metainfo-validation-hint
  Validation of the metainfo file yielded the following hint: Consider using a secure (HTTPS) URL for 'http://pragha-music-player.github.io'
• metainfo-validation-hint
  Validation of the metainfo file yielded the following hint: Consider using a secure (HTTPS) URL for 'http://pragha-music-player.github.io/images/Pragha-Gnome3-HIG.png'
• metainfo-validation-hint
  Validation of the metainfo file yielded the following hint: Consider using a secure (HTTPS) URL for 'http://pragha-music-player.github.io/images/Pragha-Xfce-HIG.png'
• metainfo-validation-hint
  Validation of the metainfo file yielded the following hint: The component ID [io.github.pragha-music-player] contains a hyphen/minus. Using a hyphen is strongly discouraged, to keep interoperability with other tools such as D-Bus. Ideally, replace any hyphens with an underscore ('_')