docs: getting started notes on self-signed cert (#9429)#9784

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crenshaw-dev merged 2 commits intoargoproj:masterfrom

YaytayAtWork:#9429

Jun 28, 2022

Commits on Jun 24, 2022

Fix #9429: A couple of notes in the docs to explain that the default certificate is insecure.
YaytayAtWork
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Commits on Jun 25, 2022

Fixes #9429: More verbose, but complete, text for Getting Started.
YaytayAtWork
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