Added k8s helm charts

[asifcopilot]

This pull request introduces Helm charts for the Voting App, designed to streamline the deployment and management of the app on Kubernetes clusters. The Helm charts are located in the k8s-helm directory.

Key Updates:

• Helm Charts Added: All required Helm charts for deploying the Voting App's services are included.

• Deployment Instructions: Updated README with commands for deploying and removing the app using Helm.

1. Deploy: helm install vote-helm ./k8s-helm/ -n
2. Remove: helm uninstall vote-helm -n

Benefits:

• Simplifies the deployment process with a single command.
• Facilitates easier management and scaling of services.
• Provides straightforward commands for cleanup.

Testing:

-Tested Helm charts locally to ensure correct deployment and functionality.

• Followed best practices for Helm chart structure and configuration.

Please review the changes and provide feedback. Your approval will help integrate these Helm charts into the public repository, enhancing the deployment process for the Voting App.