Examine source code of Visualize Value

{
  "name": "Visualize Value",
  "description": "Signal in a world of noise",
  "version": "1.0.4",
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "vv-new-tab@visualizevalue.com",
      "strict_min_version": "58.0"
    }
  },
  "icons": {
    "16": "logo@16.png",
    "32": "logo@32.png",
    "48": "logo@48.png",
    "96": "logo@96.png",
    "128": "logo@128.png"
  },
  "chrome_url_overrides": {
    "newtab": "src/new-tab.html"
  }
}