Examine source code of kbo Startpage

{
  "manifest_version": 3,
  "author": "Kai Boenke",
  "name": "kbo-Startpage",
  "description": "A personalized startpage.",
  "version": "1.10.2",
  "browser_specific_settings": {
    "gecko": {
      "id": "{0917fcf7-bb50-4b20-af83-274d85af4312}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "data_collection_permissions": "none",
  "icons": {
    "32": "icons/kbo-32.png",
    "48": "icons/kbo-48.png",
    "64": "icons/kbo-64.png",
    "96": "icons/kbo-96.png",
    "128": "icons/kbo-128.png"
  },
  "options_ui": {
    "page": "options.html"
  },
  "chrome_url_overrides": {
    "newtab": "startpage.html"
  },
  "chrome_settings_overrides": {
    "homepage": "startpage.html",
    "startup_pages": [
      "startpage.html"
    ]
  },
  "host_permissions": [
    "https://api.open-meteo.com/*",
    "https://www.reddit.com/*",
    "https://rss.slashdot.org/Slashdot/*",
    "https://www.tagesschau.de/xml/rss2",
    "http://easternsun.de/forum/*",
    "https://fedoramagazine.org/feed/*",
    "https://planet.debian.org/atom.xml",
    "https://www.wowhead.com/news/rss/*",
    "https://bsky.social/*",
    "https://*.bosch.com/*"
  ],
  "permissions": [
    "storage",
    "geolocation"
  ]
}