Examine source code of Safe Links Cleaner

{
  "manifest_version": 2,
  "name": "Safe Links Cleaner",
  "description": "__MSG_extensionDescription__",
  "version": "1.5.6",
  "author": "David Byers",
  "homepage_url": "https://gitlab.liu.se/safelinks/safelinks-cleaner",
  "default_locale": "en",
  "icons": {
    "48": "icon.svg",
    "96": "icon.svg",
    "144": "icon.svg",
    "192": "icon.svg"
  },
  "permissions": [
    "clipboardWrite",
    "menus",
    "activeTab"
  ],
  "background": {
    "scripts": [
      "links.js",
      "menu.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://outlook.office.com/*",
        "*://outlook.office365.com/*"
      ],
      "css": [
        "style.css"
      ],
      "js": [
        "mutation.js",
        "links.js",
        "popup.js",
        "content.js"
      ]
    }
  ]
}