Examine source code of Skippify

{
  "manifest_version": 2,
  "name": "Skippify",
  "description": "Skip YouTube ads effortlessly with a single shortcut.",
  "version": "1.0",
  "icons": {
    "48": "icon.svg",
    "96": "icon.svg"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.youtube.com/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "commands": {
    "skip": {
      "suggested_key": {
        "default": "Alt+X"
      }
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{0ac1b866-849a-492f-bcd3-8d07d4d38b5b}"
    }
  }
}