Examine source code of Youtube Auto Skip Ads

{
  "manifest_version": 2,
  "name": "Youtube Auto Skip Ads",
  "version": "1.1",
  "description": "Automatically clicks on the 'Skip ad' button",
  "permissions": [
    "activeTab"
  ],
  "browser_action": {
    "default_icon": "icon.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.youtube.com/*"
      ],
      "js": [
        "yasa_content.js"
      ]
    }
  ],
  "icons": {
    "48": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{10f1e866-9383-4dab-b0c3-c1351cea50eb}"
    }
  }
}