Examine source code of Diki.pl translation

{
  "manifest_version": 2,
  "name": "Diki.pl translation",
  "version": "1.2resigned1",
  "default_locale": "pl",
  "applications": {
    "gecko": {
      "id": "diki-webextension@hyden.pl",
      "strict_min_version": "45.0"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "contextMenus",
    "activeTab"
  ],
  "icons": {
    "16": "icons/diki16.png",
    "32": "icons/diki32.png",
    "48": "icons/diki48.png"
  }
}