Examine source code of Package Hub

{
  "name": "Package Hub",
  "version": "1.0.6resigned1",
  "manifest_version": 2,
  "description": "Display dependencies for many package managers on GitHub",
  "author": "Ezinwa Okpoechi",
  "homepage_url": "https://github.com/BrainMaestro/packagehub",
  "content_scripts": [
    {
      "matches": [
        "https://github.com/*"
      ],
      "js": [
        "lib/toml.js",
        "registry.js",
        "display.js",
        "parser.js",
        "config.js",
        "index.js"
      ]
    }
  ],
  "permissions": [
    "https://libraries.io/api/",
    "storage"
  ],
  "browser_action": {
    "default_icon": "icon.png",
    "default_title": "Package Hub",
    "default_popup": "popup/set_api_key.html"
  },
  "icons": {
    "128": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{1bcc941f-c5fb-4f37-90cf-b55c6f3917a2}"
    }
  }
}