Examine source code of Medium Enhancer

{
  "manifest_version": 2,
  "name": "Medium Enhancer",
  "version": "1.0.0",
  "description": "Improve your reading experience on Medium with this extension! 🚀 It removes distractions, enhances readability, and provides additional customization options for a seamless reading journey",
  "browser_action": {
    "default_title": "Medium Helper",
    "default_icon": "icon.png"
  },
  "commands": {},
  "content_scripts": [
    {
      "matches": [
        "https://medium.com/*",
        "http://medium.com/*"
      ],
      "js": [
        "injected/injected-bundle.js"
      ]
    }
  ],
  "homepage_url": "https://github.com/albertpatterson/medium-helper",
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{2e361372-40ed-437d-a960-99e9704d12f2}"
    }
  }
}