Examine source code of Tatask

{
  "browser_specific_settings": {
    "gecko": {
      "strict_min_version": "58.0a1",
      "id": "extension@tatask.com"
    }
  },
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "description": "Use Tatask for your new tab to get more done.",
  "homepage_url": "https://tatask.com",
  "manifest_version": 3,
  "name": "Tatask",
  "permissions": [
    "tabs"
  ],
  "icons": {
    "48": "icon.png"
  },
  "version": "1.0.1",
  "developer": {
    "name": "Max Girkins",
    "url": "https://www.twitter.com/mgirkins"
  }
}