Bump version to 0.6.0 and update READMEs #7

Job	Run time
Build linux-arm64	1m 40s
Build win32-arm64	2m 40s
Build linux-x64	1m 12s
Build darwin-x64	1m 15s
Build darwin-arm64	1m 31s
Build win32-x64	3m 15s
Package Universal Extension	19s
Create Release	7s
Publish to Marketplace	18s
	12m 17s

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