Examine source code of Glider Proctoring

{
  "name": "Glider Proctoring",
  "author": "GLIDER",
  "version": "2.0.1",
  "manifest_version": 2,
  "homepage_url": "http://glider.ai/",
  "content_scripts": [
    {
      "matches": [
        "http://localhost:3000/*",
        "https://*.glider.ai/*"
      ],
      "js": [
        "content-script.js"
      ]
    }
  ],
  "background": {
    "scripts": [
      "background-script.js"
    ]
  },
  "icons": {
    "16": "logo16.png",
    "32": "logo32.png",
    "48": "logo48.png",
    "64": "logo64.png",
    "128": "logo128.png"
  },
  "permissions": [
    "tabs",
    "activeTab",
    "contextMenus",
    "<all_urls>",
    "http://localhost:3000/*",
    "https://*.glider.ai/*"
  ],
  "web_accessible_resources": [
    "icon.png"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{3968ec87-3c9f-45cd-8d9e-7f6d1f3a5093}"
    }
  }
}