Add line-wrapping for multi-cluster Helm commands

[nicktrav]

Currently, the command line snippet for setting up multi-cluster Istio
with Helm is confined to a single line. This makes it difficult to read
without having to scroll horizontally to read the entire command.

Update the command to be multi-line.

Signed-off-by: Nick Travers n.e.travers@gmail.com

[istio-testing]

Hi @nicktrav. Thanks for your PR.

I'm waiting for a istio member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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[geeknoid]

/approve
/lgtm

[istio-testing]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: geeknoid, nicktrav

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