Examine source code of Pinned Bing Chat

{
  "manifest_version": 2,
  "name": "Pinned Bing Chat",
  "short_name": "Bing Pin",
  "author": "Vito Ferri",
  "version": "1.0.1",
  "description": "Go to the pinned Chat tab. If it doesn't exist, it's created.",
  "icons": {
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "64": "icons/icon-64.png",
    "128": "icons/icon-128.png"
  },
  "web_accessible_resources": [
    "icons/*"
  ],
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "tabs",
    "storage",
    "http://*.bing.com/*",
    "https://*.bing.com/*"
  ],
  "browser_action": {
    "default_icon": {
      "32": "icons/icon-32.png"
    },
    "default_title": "Pinned Bing Chat",
    "default_area": "navbar"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Alt+Shift+B"
      }
    }
  },
  "options_ui": {
    "page": "options/options.html",
    "browser_style": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "bingpin@vitoferri.com"
    }
  }
}