Ability to add multiple annotations at once

[oleghind]

Description of the feature or enhancement:

Instead of adding annotations one by one allow adding an object with all the annotations by introducing a new method "addAnnotations" to ingress.

Use Case:

Improvement for code quality.

Proposed Solution:

The resulting code can look like this, which is a lot nicer than 5 calls of addAnnotation:

    const ingressAnnotations = {
      'kubernetes.io/ingress.class': 'alb',
      'alb.ingress.kubernetes.io/target-type': 'ip',
      'alb.ingress.kubernetes.io/scheme': 'internet-facing',
      'alb.ingress.kubernetes.io/healthcheck-path': '/ping',
      'alb.ingress.kubernetes.io/listen-ports': '[{"HTTP": 80}, {"HTTPS": 443}]'
      };
    ingress.metadata.addAnnotations(ingressAnnotations);

• 👋 I may be able to implement this feature request
• ⚠️ This feature might incur a breaking change

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This is a 🚀 Feature Request