Examine source code of DPlus Unblock

{
  "manifest_version": 2,
  "name": "DPlus Unblock",
  "version": "1.0",
  "description": "An addon to unblock d+ exclusive content",
  "icons": {
    "48": "dplus-unblock.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://www.dnoticias.pt/*"
      ],
      "run_at": "document_end",
      "js": [
        "index.js"
      ]
    },
    {
      "matches": [
        "*://www.dnoticias.pt/*"
      ],
      "js": [
        "styling.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{9099fe26-c621-403c-8730-5f7702868198}"
    }
  }
}