Update README.md

✅ This is Software as a Service not self hosted
✅ It has a free tier not just a free trial (the free trial is in perpetuity)
✅ Pricing information is clearly visible without signup or phone calls
✅ The submission mentions what is free
✅ The submission is not already present in the list
✅ The service has contact details of those running it and a privacy policy

Service Details
Service Name: SweetUptime
Website: https://dicloud.net

Contact Email: mail@dicloud.net

Description:  Ensure maximum uptime and optimal performance with real-time monitoring, instant alerts, and customizable status pages. Proactively manage IT infrastructure and prevent downtime effortlessly.

Free Tier: The free tier allows users to 10 servers, services, and domains. Pricing details clearly showcase what is available at each tier.

Privacy Policy: Available on the website.

README.md

@@ -861,6 +861,7 @@ This list results from Pull Requests, reviews, ideas, and work done by 1600+ peo
   * [stathat.com](https://www.stathat.com/) — Get started with ten stats for free, no expiration
   * [statuscake.com](https://www.statuscake.com/) — Website monitoring, unlimited tests free with limitations
   * [statusgator.com](https://statusgator.com/) — Status page monitoring, 3 monitors free
+  * [SweetUptime](https://dicloud.net/sweetuptime-server-uptime-monitoring/) — Server monitoring, uptime monitoring, DNS & domain monitoring. Monitor 10 server, 10 uptime, and 10 domain for free.
   * [thousandeyes.com](https://www.thousandeyes.com/) — Network and user experience monitoring. 3 locations and 20 data feeds of major web services free
   * [uptimerobot.com](https://uptimerobot.com/) — Website monitoring, 50 monitors free
   * [uptimetoolbox.com](https://uptimetoolbox.com/) — Free monitoring for five websites, 60-second intervals, public statuspage.