Feature Request: Add TLS (One-Way TLS) Support

[rajeshd2091]

Problem Statement
At present, the operator supports mutual TLS (mTLS), where both client and server certificates are exchanged. However, there are scenarios where only server-side TLS is required:

• Applications only need to expose HTTPS endpoints for clients (no client certificate required).
• External consumers (e.g., browsers, APIs, mobile apps) may not support or require mTLS.

Solution
Introduce TLS mode (one-way TLS) support:

• The operator should provision and mount server certificates into the workload.
• Only the server will present a certificate; clients connect using standard TLS.
• This mode should be selectable via annotation or CRD option

Benefits:

• Provides flexibility to choose between TLS and mTLS.
• Simplifies adoption for applications where client certificate validation is not required.
• Aligns with broader adoption scenarios (e.g., public APIs, edge services).

Additional context

• TLS certificates can still be provisioned by cert-manager and mounted by the operator.
• This will make the operator usable for a wider set of workloads, especially those that need HTTPS but not full mTLS.