Examine source code of Enhance Crunchyroll

{
  "author": "Crunchy Labs Maintainers",
  "description": "A multi-browser extension to enhance your Crunchyroll experience",
  "name": "Enhance Crunchyroll",
  "version": "0.3.1",
  "browser_specific_settings": {
    "gecko": {
      "id": "{caa4b29e-2b8b-4b80-8654-6300b2aa049f}"
    }
  },
  "content_scripts": [
    {
      "js": [
        "src/entries/contentScript/player/main.js"
      ],
      "matches": [
        "https://static.crunchyroll.com/vilos-v2/web/vilos/player.html*"
      ],
      "all_frames": true,
      "run_at": "document_start"
    },
    {
      "js": [
        "src/entries/contentScript/website/main.js"
      ],
      "matches": [
        "https://www.crunchyroll.com/*"
      ]
    }
  ],
  "icons": {
    "16": "icons/enhance-crunchyroll@16px.png",
    "32": "icons/enhance-crunchyroll@32px.png",
    "48": "icons/enhance-crunchyroll@48px.png",
    "96": "icons/enhance-crunchyroll@96px.png",
    "128": "icons/enhance-crunchyroll@128px.png"
  },
  "permissions": [
    "storage",
    "webRequest",
    "*://*.crunchyroll.com/*",
    "*://*.crunchyrollsvc.com/*",
    "*://*.gccrunchyroll.com/*",
    "*://*.vrv.co/*",
    "*://*.akamaized.net/*",
    "downloads"
  ],
  "background": {
    "persistent": true,
    "page": "background.html"
  },
  "browser_action": {
    "default_icon": {
      "16": "icons/enhance-crunchyroll@16px.png",
      "32": "icons/enhance-crunchyroll@32px.png"
    },
    "default_popup": "src/entries/popup/index.html"
  },
  "manifest_version": 2,
  "web_accessible_resources": [
    "assets/each-e59479a4.js",
    "assets/index-16b32d61.js",
    "assets/main-875a1562.css",
    "assets/main-a8767f05.css",
    "assets/render-81cea469.js",
    "assets/settings-ec2c2194.js",
    "assets/src/entries/contentScript/player/main-b14f2019.js",
    "assets/src/entries/contentScript/website/main-0286ca8d.js",
    "assets/utils-29e5526f.js"
  ]
}