Add language autocomplete for supported languages #503

Job	Run time
charts-tests / Chart Data Extractor - Build and test	29s
build-template / Build E2B Template	1m 17s
performance-tests / Performance tests	1m 12s
js-sdk / JS SDK - Build and test	1m 52s
python-sdk / Python SDK - Build and test	3m 14s
cleanup-build-template / Cleanup Build Template	10s
	8m 14s

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