Add Helm and custom resource diagnostics

Create modules for troubleshooting Helm releases and custom resources:

Features to implement

• Helm release status checking
• Helm chart validation
• Custom resource definition (CRD) analysis
• Custom resource validation
• Operator health checking
• Helm release history analysis

Implementation details

• Create lib/resources/helm.sh module
• Create lib/resources/custom_resources.sh module
• Add interactive Helm troubleshooting menu
• Add custom resource diagnostics tools
• Integrate with main menu