Examine source code of Smart YouTube Feed

{
  "manifest_version": 3,
  "name": "Smart YouTube Feed",
  "description": "Filter Youtube reccomendations for productive / educational content",
  "version": "1.0.0",
  "browser_specific_settings": {
    "gecko": {
      "id": "smart-youtube-feed@localhost",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "permissions": [
    "storage"
  ],
  "action": {
    "default_popup": "dist/options.html",
    "default_title": "Smart YouTube Feed",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "content_scripts": [
    {
      "js": [
        "dist/content.js"
      ],
      "matches": [
        "*://*.youtube.com/*"
      ]
    }
  ]
}