Examine source code of California Code Formatter

{
  "name": "California Code Formatter",
  "description": "Reformats the California legal codes into something more readable.",
  "version": "0.2.1",
  "manifest_version": 2,
  "permissions": [
    "storage"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "128": "/icon128.png"
    }
  },
  "icons": {
    "128": "/icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://leginfo.legislature.ca.gov/faces/codes_displayText*",
        "https://leginfo.legislature.ca.gov/faces/codes_displaySection*",
        "https://leginfo.legislature.ca.gov/faces/billNavClient.xhtml*"
      ],
      "css": [
        "reformat.css"
      ],
      "js": [
        "reformat.js"
      ]
    }
  ]
}