Examine source code of Happy Hive Extension

{
  "name": "Happy Hive Extension",
  "version": "1.0.6",
  "description": "Company Inclusion tracking platform, making your job search more rewarding",
  "manifest_version": 2,
  "browser_action": {
    "default_popup": "index.html"
  },
  "permissions": [
    "tabs",
    "webNavigation",
    "storage",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js",
      "runtime.js"
    ],
    "persistent": true
  },
  "icons": {
    "16": "assets/normal_icon.png",
    "48": "assets/normal_icon.png",
    "128": "assets/normal_icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "addon@happyhive.work"
    }
  }
}