Examine source code of Search & Link Preview

{
  "name": "__MSG_appName__",
  "description": "__MSG_appDesc__",
  "homepage_url": "https://github.com/justiceo/search-preview",
  "version": "23.9.22",
  "manifest_version": 3,
  "default_locale": "en",
  "author": "Justice Ogbonna",
  "short_name": "Link Preview",
  "permissions": [
    "storage",
    "declarativeNetRequest",
    "contextMenus"
  ],
  "declarative_net_request": {
    "rule_resources": [
      {
        "id": "ruleset_1",
        "enabled": true,
        "path": "assets/rules.json"
      }
    ]
  },
  "host_permissions": [
    "*://*/*"
  ],
  "action": {
    "default_icon": {
      "16": "assets/logo-16x16.png",
      "24": "assets/logo-24x24.png",
      "32": "assets/logo-32x32.png"
    },
    "default_title": "Search Preview"
  },
  "icons": {
    "16": "assets/logo-16x16.png",
    "32": "assets/logo-32x32.png",
    "48": "assets/logo-48x48.png",
    "128": "assets/logo-128x128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "all_frames": true,
      "js": [
        "content-script/content-script.js"
      ],
      "css": [
        "content-script/content-script.css"
      ]
    }
  ],
  "background": {
    "scripts": [
      "background-script/service-worker.js"
    ]
  },
  "web_accessible_resources": [
    {
      "resources": [
        "options-page/options.html"
      ],
      "matches": [
        "<all_urls>"
      ]
    },
    {
      "resources": [
        "welcome/my-element.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    },
    {
      "resources": [
        "content-script/floatie/tooltip.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "key": "",
  "browser_specific_settings": {
    "gecko": {
      "id": "search-preview@essentialkit.org"
    }
  }
}