Examine source code of Low-Go

{
  "manifest_version": 2,
  "name": "Low-Go",
  "version": "1.2.1",
  "browser_action": {
    "default_icon": "icons/icons8-empty-32.png",
    "default_title": "Low-Go",
    "default_popup": "popup/popup.html"
  },
  "description": "Remove Recommended Videos with low Views",
  "icons": {
    "32": "icons/icons8-empty-32.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.youtube.com/*"
      ],
      "js": [
        "low-go.js"
      ]
    }
  ],
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{ae5fda56-a3af-48f8-9c18-2da174182781}"
    }
  }
}