Examine source code of Starfix

{
  "manifest_version": 2,
  "name": "Starfix",
  "version": "1.1",
  "description": "Extension for Starfix. Adds an \"Open in IDE\" button on Github. Supports easy switching b/w  cloning Protocols viz HTTPS and SSH",
  "author": "Fahad Israr",
  "icons": {
    "16": "starfix_icon.png",
    "32": "starfix_icon.png",
    "48": "starfix_icon.png"
  },
  "browser_action": {
    "default_popup": "./options.html",
    "default_title": "Starfix Configuration",
    "default_icon": "./starfix_icon.png"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  },
  "permissions": [
    "storage"
  ],
  "content_scripts": [
    {
      "css": [
        "styles.css"
      ],
      "js": [
        "content.js"
      ],
      "matches": [
        "https://github.com/*/*",
        "https://gitlab.com/*/*",
        "https://gist.github.com/*/*"
      ]
    }
  ]
}