Examine source code of Vivid Tab

{
  "icons": {
    "16": "icon16.plasmo.2577fc03.png",
    "32": "icon32.plasmo.d583dc1e.png",
    "48": "icon48.plasmo.e0fcfb1d.png",
    "64": "icon64.plasmo.e6259081.png",
    "128": "icon128.plasmo.96a1ede9.png"
  },
  "manifest_version": 3,
  "action": {
    "default_icon": {
      "16": "icon16.plasmo.2577fc03.png",
      "32": "icon32.plasmo.d583dc1e.png",
      "48": "icon48.plasmo.e0fcfb1d.png",
      "64": "icon64.plasmo.e6259081.png",
      "128": "icon128.plasmo.96a1ede9.png"
    }
  },
  "version": "1.3.0",
  "author": "jrTilak <contact@jrtilak.dev>",
  "name": "Vivid Tab",
  "description": "\"VividTab: Your dynamic new tab for a brighter, more productive browsing experience.\"",
  "background": {
    "scripts": [
      "static/background/index.js"
    ]
  },
  "chrome_url_overrides": {
    "newtab": "newtab.html"
  },
  "permissions": [
    "bookmarks",
    "storage",
    "unlimitedStorage",
    "search",
    "topSites",
    "tabs",
    "alarms"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "assets/*"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "host_permissions": [
    "https://*/*"
  ],
  "optional_permissions": [
    "history"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "vividtab@jrtilak.dev",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}