Examine source code of Threat Analytics Search

{
  "name": "Threat Analytics Search",
  "manifest_version": 3,
  "version": "5.2.1",
  "icons": {
    "16": "./images/icon_16.png",
    "32": "./images/icon_32.png",
    "48": "./images/icon_48.png",
    "128": "./images/icon_128.png"
  },
  "description": "Use the Context Menu (right click menu) in the browser to conduct single or group searches for selected text.",
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "options_page": "options.html",
  "permissions": [
    "alarms",
    "contextMenus",
    "notifications",
    "storage"
  ],
  "host_permissions": [
    "http://*/*",
    "https://*/*"
  ],
  "key": "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCpwQdswwbWCDVkWd4XMJ1nxuzZYNmgnturk8DeuZgc85IPRiLyg5TTQKgSVjGU2s/i8a3qB/RsmMw7LR2V8f2L0z4qUO2CX3UfqeOtJMv1MkcUPTYBj7bOGe5sj4bFtKFMBD2YiSizlIFkFe63q0fr1QX6eF3DCBpgheYUTfmkzQIDAQAB",
  "homepage_url": "http://www.criticalstart.com/company/",
  "update_url": "https://clients2.google.com/service/update2/crx",
  "browser_specific_settings": {
    "gecko": {
      "id": "threat-analytics@addon.local",
      "strict_min_version": "102.0"
    }
  }
}