docs: remove old observability and orchestrate get-started guides#2583

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StackScribe merged 18 commits intokeptn:mainfrom StackScribe:1127-nix-observe-gs

Dec 14, 2023

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Commits on Nov 27, 2023

docs: remove old observability and orchestrate get-started guides
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Commits on Dec 7, 2023

Update docs/content/en/_index.md
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Commits on Dec 11, 2023