docs: fix helm-kubernetes-quickstart bundle

[nejec]

Why the changes in this PR are needed?

With the refactoring of the webpage static files location, helm-kubernetes-quickstart bundle file became corrupt and previous, non-working bundle was deployed.

Current version of the file fails to evaluate

$ opa eval -b helm-kubernetes-quickstart 'data'
{
  "errors": [
    {
      "message": "loading error: bundle helm-kubernetes-quickstart: bundle load failed on manifest decode: invalid character '\\x00' looking for beginning of value"
    }
  ]
}

What are the changes in this PR?

Previous (from release 1.4.2) , working version of helm-kubernetes-quickstart bundle is included in this pull request and can be used as input for opa/kube-mgmt helm chart end to end test

$ opa eval -b helm-kubernetes-quickstart 'data'
{
  "result": [
    {
      "expressions": [
        {
          "value": {
            "helm_kubernetes_quickstart": {
              "deny": [],
              "main": {
                "apiVersion": "admission.k8s.io/v1beta1",
                "kind": "AdmissionReview",
                "response": {
                  "allowed": true
                }
              },
              "response": {
                "allowed": true
              },
              "whitelist": [
                "*.dev.acmecorp.com",
                "*.test.acmecorp.com"
              ]
            },
            "test_helm_kubernetes_quickstart": {
              "test_allow_inside_example_namespace": true,
              "test_allow_outside_example_namespace": true,
              "test_deny_inside_example_namespace": true
            }
          },
          "text": "data",
          "location": {
            "row": 1,
            "col": 1
          }
        }
      ]
    }
  ]
}

Notes

• At the moment, opa/kube-mgmt end to end tests are broken and will be fixed once this change is deployed. Additionally, opa/kube-mgmt end to end tests will be updated with new uri to the bundle file (previously: /helm-kubernetes-quickstart, now: /external-resources/bundles/helm-kubernetes-quickstart).
• Similar error was already addressed once in this commit.

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[charlieegan3]

hey @nejec, thanks for fixing this one! I must have made a mistake in porting over this file from the old site. If you can sign off your commit we can get this in ASAP.

Sorry for the inconvenience here.