First batch of day one

content/lessons_learned/01_operators.md

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+---
+title: Operators
+---
+
+## Observability
+
+* Export reconcile loop steps as opentelemetry traces

content/lessons_learned/_index.md

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+---
+archetype: chapter 
+title: Lessons Learned
+weight: 99
+---
+
+Interesting lessons learned + tipps/tricks.