Examine source code of HomeStack

{
  "manifest_version": 2,
  "name": "HomeStack",
  "author": "Avi at XetaLab",
  "version": "1.0",
  "description": "A meticulously created startpage for you.",
  "chrome_url_overrides": {
    "newtab": "homestack.html"
  },
  "permissions": [
    "bookmarks",
    "https://ip-api.com/*",
    "https://api.open-meteo.com/*"
  ],
  "icons": {
    "48": "Assets/asset_icon.svg",
    "96": "Assets/asset_icon.svg",
    "128": "Assets/asset_icon.svg",
    "512": "Assets/asset_icon.svg"
  },
  "homepage_url": "https://xetarev.com/lab/homestack",
  "developer": {
    "name": "XetaLab",
    "url": "https://xetarev.com/lab/homestack"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{6c823d85-43d3-4231-87ec-264a0d3c5c16}"
    }
  }
}