Examine source code of QB Stats+

{
  "name": "QB Stats+",
  "version": "0.0.4",
  "description": "An extension that adds styling and additional functionality to Quizbowl stats pages (SQBS or YFT)",
  "homepage_url": "https://github.com/alchzh/qb-stats-plus",
  "manifest_version": 2,
  "minimum_chrome_version": "74",
  "browser_specific_settings": {
    "gecko": {
      "id": "qb-stats-plus@alchzh.me",
      "strict_min_version": "67.0"
    }
  },
  "icons": {
    "32": "logos/logo-32.png",
    "48": "logos/logo-48.png",
    "64": "logos/logo-64.png",
    "128": "logos/logo-128.png"
  },
  "browser_action": {
    "default_icon": {
      "32": "logos/logo-32.png",
      "48": "logos/logo-48.png",
      "64": "logos/logo-64.png",
      "128": "logos/logo-128.png"
    },
    "default_title": "QB Stats+"
  },
  "permissions": [
    "storage",
    "activeTab",
    "*://*.hsquizbowl.org/db/tournaments/*/stats*",
    "tabs"
  ],
  "background": {
    "persistent": false,
    "scripts": [
      "browser-polyfill.min.js",
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.hsquizbowl.org/db/tournaments/*/stats*"
      ],
      "run_at": "document_start",
      "js": [
        "browser-polyfill.min.js",
        "redirect.js"
      ]
    },
    {
      "matches": [
        "*://*.hsquizbowl.org/db/tournaments/*/stats*"
      ],
      "js": [
        "browser-polyfill.min.js",
        "content-script.js"
      ]
    }
  ]
}