Updates to the HashiCorp Learn's Vault-Kubernetes Collection

Vault's Helm chart is a tool that enables users to launch a Vault cluster in various cloud environments, including Red Hat OpenShift, Azure Kubernetes Service (AKS), and Google Kubernetes Engine (GKE). The chart provides a convenient way to deploy Vault and its applications, allowing for secure secrets management. The tutorials cover the installation process, security considerations, troubleshooting, and reference architecture for deploying Vault on Kubernetes. Users can learn how to configure Vault as a certificate manager and gain knowledge on how to troubleshoot it in production.