Add PoC-WGCloud to list of certified clouds. (#197)

Signed-off-by: Kurt Garloff <[email protected]>

Author: garloff

standards/certification/overview.md

@@ -19,3 +19,4 @@ This is a list of clouds that we test on a nightly basis against the certificate
 | [REGIO.cloud](https://regio.digital)                                                                           | Public cloud for customers                        | OSISM GmbH                    | ![GitHub Workflow Status](https://img.shields.io/github/actions/workflow/status/SovereignCloudStack/standards/check-regio-a-v3.yml?label=compliant)   |   broken <!--[HM](https://apimon.services.regio.digital/public-dashboards/17cf094a47404398a5b8e35a4a3968d4?orgId=1&refresh=5m)-->      |
 | [CNDS](https://cnds.io/)                                                                                       | Public cloud for customers                        | [artcodix UG](https://artcodix.com/) | ![GitHub Workflow Status](https://img.shields.io/github/actions/workflow/status/SovereignCloudStack/standards/check-artcodix-v3.yml?label=compliant)  |                                 [HM](https://ohm.muc.cloud.cnds.io/)                                              |
 | [aov](https://aov.de/)                                                                                         | Community cloud for customers                     | aov IT.Services GmbH          |    (soon)                                                                                                                                             |                               [HM](https://health.aov.cloud/)                                                            |
+| PoC WG-Cloud OSBA                                                                                              | Cloud PoC for FITKO                               | Cloud&amp;Heat Technologies GmbH | ![GitHub Workflow Status](https://img.shields.io/github/actions/workflow/status/SovereignCloudStack/standards/check-poc-wgcloud-v3.yml?label=compliant)  | [HM](https://health.poc-wgcloud.osba.sovereignit.cloud:3000/d/9ltTEmlnk/openstack-health-monitor2?var-mycloud=poc-wgcloud&orgId=1) |