Examine source code of Bonboarding Studio

{
  "manifest_version": 2,
  "name": "Bonboarding Studio",
  "description": "Bonboarding Studio lets you create stunning onboarding experiences and interactive walkthroughs.",
  "version": "2.4.1",
  "icons": {
    "16": "icons/16.png",
    "32": "icons/32.png",
    "48": "icons/48.png",
    "128": "icons/128.png"
  },
  "author": "info@bonboarding.com",
  "permissions": [
    "storage",
    "tabs",
    "cookies",
    "activeTab",
    "*://*.bonboarding.com/*",
    "*://*.bonboarding.test/*"
  ],
  "web_accessible_resources": [
    "userguide-images/edit-icon.gif"
  ],
  "commands": {
    "open-bonboarding-popup": {
      "suggested_key": {
        "default": "Ctrl+Shift+K",
        "mac": "Command+Shift+K"
      },
      "description": "Open Bonboarding Studio"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "js": [
        "content-scripts/content.js"
      ],
      "css": [
        "fonts/silka-cdn.css"
      ],
      "matches": [
        "*://*/*"
      ],
      "run_at": "document_end",
      "all_frames": true
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content-scripts/content.js"
      ]
    },
    {
      "js": [
        "preview.js"
      ],
      "matches": [
        "*://*/*"
      ],
      "run_at": "document_end",
      "all_frames": true
    },
    {
      "js": [
        "listen-to-debug-data.js"
      ],
      "matches": [
        "*://*/*"
      ],
      "run_at": "document_start",
      "all_frames": true
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{99ae8d08-9a45-44bb-b0ec-b72cfa0eb536}"
    }
  }
}