founders.click doesn't connect to Google Search Console or import its data. You use Search Console directly, in your own Google account, to see how Google finds and indexes the pages you publish.
- Open Google Search Console.
- Add your custom domain as a Domain property.
- Add the TXT record Search Console gives you to your DNS.
- Wait for Google to verify it; this can take up to a day.
Then submit your sitemap: see Submitting your sitemap.