Examine source code of Jiffy Reader Dev

{
  "icons": {
    "16": "icon16.393cdc9f.png",
    "48": "icon48.1c300d39.png",
    "128": "icon128.e752ac4b.png"
  },
  "manifest_version": 2,
  "browser_action": {
    "default_icon": {
      "16": "icon16.393cdc9f.png",
      "48": "icon48.1c300d39.png"
    },
    "default_popup": "popup.dd98efd0.html"
  },
  "version": "1.0.1201",
  "name": "Jiffy Reader",
  "description": "An extension that allows for Bionic Reading on any webpage!",
  "author": "",
  "homepage_url": "https://github.com/ansh/jiffyreader.com#readme",
  "permissions": [
    "storage",
    "activeTab"
  ],
  "background": {
    "scripts": [
      "background.c998ece8.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.1dfd35d4.js"
      ],
      "all_frames": true,
      "run_at": "document_end",
      "css": []
    }
  ],
  "version_name": "1.0.1201-development",
  "default_locale": "en",
  "commands": {
    "toggle-bionic": {
      "suggested_key": {
        "default": "Alt+W"
      },
      "description": "Toggle bionic reading mode"
    }
  },
  "web_accessible_resources": [
    "assets/icon512.png",
    "assets/sun-light-solid.svg",
    "assets/moon-solid.svg",
    "content.708fd078.css"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{1b769f4f-c1cc-4cf9-a096-c6d0f5e798c3}"
    }
  }
}