Add `xvc file share` (#255) #323

Job	Run time
Test and Coverage (nightly)	23m 27s
deploy-windows (x86_64-pc-windows-gnu)	8m 33s
deploy-macos (x86_64-apple-darwin)	11m 38s
deploy-linux (x86_64-unknown-linux-gnu)	4m 59s
	48m 37s

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