Examine source code of Link Previewer Pro

{
  "name": "Link Previewer Pro",
  "description": "Effortlessly preview links, hassle-free browsing",
  "version": "3.1",
  "author": "Kevin Karl Leaño",
  "manifest_version": 3,
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "permissions": [
    "alarms",
    "bookmarks",
    "contextMenus",
    "history",
    "notifications",
    "storage",
    "unlimitedStorage",
    "tabs"
  ],
  "action": {
    "default_popup": "index.html",
    "default_icon": {
      "16": "/assets/img/icons/link-previewer-pro-16x16.png",
      "32": "/assets/img/icons/link-previewer-pro-32x32.png",
      "48": "/assets/img/icons/link-previewer-pro-48x48.png",
      "128": "/assets/img/icons/link-previewer-pro-128x128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "all_frames": true,
      "match_about_blank": true,
      "match_origin_as_fallback": true,
      "js": [
        "/app/src/js/main.js"
      ]
    }
  ],
  "icons": {
    "16": "/assets/img/icons/link-previewer-pro-16x16.png",
    "32": "/assets/img/icons/link-previewer-pro-32x32.png",
    "48": "/assets/img/icons/link-previewer-pro-48x48.png",
    "128": "/assets/img/icons/link-previewer-pro-128x128.png"
  },
  "options_page": "index.html",
  "web_accessible_resources": [
    {
      "matches": [
        "<all_urls>"
      ],
      "resources": [
        "/dependencies/core/js/Main.class.js",
        "/app/src/js/main-module.js"
      ]
    }
  ],
  "host_permissions": [
    "https://www.linkpreviewerpro.com/*",
    "http://*/*",
    "https://*/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{4ae4fb96-00c1-4e86-9d59-8acf3927cbed}",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "personallyIdentifyingInfo",
          "authenticationInfo"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}