Examine source code of Artificial clippy

{
  "manifest_version": 2,
  "name": "artificial clippy",
  "version": "0.2.4",
  "icons": {
    "16": "favicon-16.png",
    "32": "favicon-32.png",
    "48": "favicon-48.png",
    "128": "favicon-128.png"
  },
  "description": "Put on the special glasses, and see the O.G. assistant nobody wanted, but got anyway.",
  "homepage_url": "https://github.com/gcb/artificial-clippy",
  "short_name": "they clippy",
  "permissions": [
    "activeTab",
    "storage",
    "http://*/*",
    "https://*/*"
  ],
  "__dev__content_security_policy": "script-src 'self' 'unsafe-eval'; object-src 'self'",
  "__prod__content_security_policy": "script-src 'self'; object-src 'self'",
  "__chrome|firefox__author": "Frank Armitage jr.",
  "__opera__developer": {
    "name": "Frank Armitage jr."
  },
  "__firefox__applications": {
    "gecko": {
      "id": "{754FB1AD-CC3B-4856-B6A0-7786F8CAC117}"
    }
  },
  "__chrome__minimum_chrome_version": "49",
  "__opera__minimum_opera_version": "36",
  "//browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "favicon-16.png",
      "32": "favicon-32.png",
      "48": "favicon-48.png",
      "128": "favicon-128.png"
    },
    "default_title": "clippy",
    "__chrome|opera__chrome_style": false,
    "__firefox__browser_style": false
  },
  "//__chrome|opera__options_page": "options.html",
  "//options_ui": {
    "page": "options.html",
    "open_in_tab": true,
    "__chrome__chrome_style": false
  },
  "//background": {
    "scripts": [
      "background.js"
    ],
    "__chrome|opera__persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{fbc04478-2271-44e4-99ba-bde9848aa0a3}"
    }
  }
}