Examine source code of Defund Wikipedia

{
  "name": "Defund Wikipedia",
  "version": "1.2",
  "description": "Deletes donation notices of Wikipedia.",
  "permissions": [
    "activeTab"
  ],
  "icons": {
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.wikipedia.org/*"
      ],
      "js": [
        "/content_script.js"
      ],
      "all_frames": true
    }
  ],
  "manifest_version": 2
}