Rebecca Zanzig 34e9eab0d6 Add docs for using Helm --set to create extraConfig variables (#5474)
* Add docs for using Helm `--set` to create extraConfig variables

Based on info provided for `consul-helm` issue 74.

* fixing formatting
2019-03-13 16:25:09 -05:00
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2018-11-16 15:17:04 -08:00
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