Examine source code of No Rune

{
  "manifest_version": 2,
  "name": "No Rune",
  "version": "0.0.1",
  "description": "Removes stories about Holger Rune on dr.dk/nyheder",
  "content_scripts": [
    {
      "matches": [
        "https://www.dr.dk/nyheder"
      ],
      "js": [
        "no_rune.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{bcba62db-da85-40ed-8095-ac0073dc5115}"
    }
  }
}