Docs for value ownership and references. Placeholder types for refere… #495

Job	Run time
docs	53s
host=ubuntu-22.04 cmd=cli target=x86_64-linux-gnu mode=release	4m 4s
host=ubuntu-22.04 cmd=cli target=x86_64-selinux-gnu mode=release	3m 52s
host=macos-12 cmd=cli target=x86_64-macos-none mode=release	5m 26s
host=macos-14 cmd=cli target=aarch64-macos-none mode=release	1m 59s
host=windows-2022 cmd=cli target=x86_64-windows-gnu mode=release	5m 19s
host=windows-2022 cmd=lib target=x86_64-windows-gnu mode=release	4m 0s
host=windows-2022 cmd=lib target=x86_64-windows-msvc mode=release	1m 33s
host=ubuntu-22.04 cmd=web-lib target=wasm32-freestanding mode=release	37s
host=ubuntu-22.04 cmd=cli target=wasm32-wasi mode=release	36s
host=ubuntu-22.04 cmd=lib target=x86_64-linux-gnu mode=release	3m 57s
host=macos-12 cmd=lib target=x86_64-macos-none mode=release	2m 58s
host=macos-14 cmd=lib target=aarch64-macos-none mode=release	1m 41s
Release	0s
	36m 55s

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