feat: add LightRAG + DocumentDB playground#333

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xgerman wants to merge 4 commits intodocumentdb:mainfrom

xgerman:developer/lightrag-playground

Commits on Apr 2, 2026

feat: add LightRAG + DocumentDB playground

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fix: use DocumentDB status.connectionString for connection details

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docs: add init-container patch explanation to README

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fix: fix eval quoting and add DNS resolution in deploy script

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