Update openeverest.md (#103)

Adding the description and supported technologies.

Author: gwozdzm

content/resources/software/openeverest.md

@@ -1,11 +1,12 @@
 ---
 title: "OpenEverest"
 link: "https://openeverest.io/"
-description: "An open source cloud-native database platform for deploying and managing MySQL, PostgreSQL, and MongoDB on Kubernetes."
-subcategories:
+description: "An open-source platform for automated database, storage and LLMs provisioning and management. It supports multiple technologies and can be hosted on any Kubernetes infrastructure, in the cloud or on-premises.:
 - DevOps & Deployment
 compatibility:
 - MySQL
+- PostgreSQL
+- MongoDB
 deployment:
 - Kubernetes
 - Cloud-Native