Examine source code of BridgeWeaver

{
  "manifest_version": 2,
  "name": "Bridge Weaver",
  "version": "1.0",
  "description": "Control Intiface-connected devices with on-page triggers.",
  "permissions": [
    "storage",
    "<all_urls>",
    "*://127.0.0.1/*"
  ],
  "background": {
    "scripts": [
      "buttplug.js",
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content_script.js"
      ],
      "css": [
        "style.css"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "intiface-controller@example.com"
    }
  }
}