Examine source code of South Park Enhancer

{
  "name": "South Park Enhancer",
  "version": "1.2.2",
  "description": "Adds useful features for enjoying South Park on the official website",
  "homepage_url": "https://github.com/f-person/parkview_enhancer",
  "minimum_chrome_version": "88",
  "applications": {
    "gecko": {
      "id": "parkview_enhancer@f-person.github.io",
      "strict_min_version": "67.0"
    }
  },
  "icons": {
    "128": "icon.082f75ba.png"
  },
  "permissions": [
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://www.southparkstudios.com/episodes/*",
        "*://www.southparkstudios.nu/episodes/*",
        "*://www.southparkstudios.de/episodes/*",
        "*://www.southpark.cc.com/episodes/*",
        "*://www.southpark.lat/episodes/*",
        "*://www.southparkstudios.co.uk/episodes/*"
      ],
      "js": [
        "player_enhancer.54fc4374.js"
      ],
      "css": []
    },
    {
      "matches": [
        "*://www.southparkstudios.com/seasons/*",
        "*://www.southparkstudios.nu/seasons/*",
        "*://www.southparkstudios.de/seasons/*",
        "*://www.southpark.cc.com/seasons/*",
        "*://www.southpark.lat/seasons/*",
        "*://www.southparkstudios.co.uk/seasons/*"
      ],
      "js": [
        "seasons_enhancer.deb94700.js"
      ],
      "css": []
    },
    {
      "matches": [
        "*://www.southparkstudios.com/",
        "*://www.southparkstudios.nu/",
        "*://www.southparkstudios.de/",
        "*://www.southpark.cc.com/",
        "*://www.southpark.lat/",
        "*://www.southparkstudios.co.uk/"
      ],
      "js": [
        "homepage_enhancer.6aab2f10.js"
      ],
      "css": []
    },
    {
      "matches": [
        "*://www.southparkstudios.com/*",
        "*://www.southparkstudios.nu/*",
        "*://www.southparkstudios.de/*",
        "*://www.southpark.cc.com/*",
        "*://www.southpark.lat/*",
        "*://www.southparkstudios.co.uk/*"
      ],
      "js": [
        "general_enhancer.2ab49315.js"
      ],
      "css": []
    }
  ],
  "options_ui": {
    "browser_style": true,
    "page": "options.a1f0d62e.html"
  },
  "action": {
    "default_popup": "options.a1f0d62e.html"
  },
  "browser_action": {
    "default_popup": "options.a1f0d62e.html"
  },
  "manifest_version": 2,
  "background": {
    "scripts": [
      "background.818ea696.js"
    ],
    "persistent": false
  }
}