Examine source code of Dango - Concept Board

{
  "manifest_version": 2,
  "name": "__MSG_appName__",
  "version": "1.0.5",
  "description": "__MSG_appDesc__",
  "default_locale": "en",
  "icons": {
    "16": "icons/icon-16.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "browser_action": {
    "default_title": "__MSG_appName__"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "tabs"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "dango-board@dango.ink",
      "strict_min_version": "58.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}