Examine source code of Transparent Links

{
  "manifest_version": 3,
  "name": "Transparent Links",
  "version": "4.2.0",
  "author": "Christopher Bull",
  "description": "Makes website links more transparent and accessible, enhancing your awareness of your navigational security and privacy.",
  "browser_specific_settings": {
    "gecko": {
      "id": "{d4bc4318-b0ae-466e-9ff4-e40eb9a51203}",
      "strict_min_version": "112.0"
    }
  },
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "permissions": [
    "scripting",
    "storage",
    "webNavigation"
  ],
  "host_permissions": [
    "http://*/",
    "https://*/"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "images/*",
        "contentScript.css",
        "contentScript.js",
        "contentScriptSharedLib.js",
        "defaultSettings.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "action": {
    "default_icon": {
      "16": "icon16.png",
      "48": "icon48.png",
      "128": "icon128.png"
    },
    "default_title": "Clear Links",
    "default_popup": "action-popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "options_ui": {
    "page": "options.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "contentScriptActivationFilter.js"
      ],
      "run_at": "document_start"
    }
  ]
}