v0.2.1

• Add a new configuration variable $wgAchievementBadgesAddThisId for pubid and tool id of AddThis. If it is set, $wgAchievementBadgesFacebookAppId will be ignored.

  // Basic usage
  $wgAchievementBadgesAddThisId = 'xx-xxxxxxxxxxxxxxxx';
  
  // If you have multiple tools, you must specify the tool id.
  $wgAchievementBadgesAddThisId = [
    'pub' => 'xx-xxxxxxxxxxxxxxxx',
    'tool' => 'xxxx',
  ];