added context methods to the SDK + tests #288

Job	Run time
charts-tests / Chart Data Extractor - Build and test	31s
build-template / Build E2B Template	1m 48s
python-sdk / Python SDK - Build and test	3m 6s
performance-tests / Performance tests	1m 18s
js-sdk / JS SDK - Build and test	1m 50s
cleanup-build-template / Cleanup Build Template	18s
	8m 51s

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