new docs for consul and consul-k8s troubleshoot command (#16284)
* new docs for consul and consul-k8s troubleshoot command
* add changelog
* add troubleshoot command
* address comments, and update cli output to match
* revert changes to troubleshoot upstreams, changes will happen in separate pr
* Update .changelog/16284.txt
Co-authored-by: Nitya Dhanushkodi <nitya@hashicorp.com>
* address comments
* update trouble proxy output
* add missing s, add required fields in usage
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Co-authored-by: Nitya Dhanushkodi <nitya@hashicorp.com>
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