Examine source code of VM Console Clipboard

{
  "manifest_version": 2,
  "name": "VM Console Clipboard",
  "version": "1.0.0",
  "description": "Share clipboard with VMware vSphere, ESXi and Proxmox VE HTML5 Web Console",
  "author": "vm-web-console-clipboard",
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png",
    "128": "icons/icon-128.png"
  },
  "browser_action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png"
    },
    "default_title": "VM Console Clipboard"
  },
  "permissions": [
    "activeTab",
    "storage",
    "clipboardRead",
    "clipboardWrite"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "vendor/compat.js",
        "content/content.js"
      ],
      "css": [
        "content/content.css"
      ],
      "run_at": "document_end",
      "all_frames": true
    }
  ],
  "background": {
    "scripts": [
      "vendor/compat.js",
      "background.js"
    ],
    "persistent": false
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "vm-console-clipboard@local",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}