doc: add shell-manager to installation #204

Job	Run time
Wait for CI Workflow	4s
Cargo publish taplo-cli	12s
get_version	3s
Cargo publish lsp-async-stub	12s
x86_64-apple-darwin	2m 30s
i686-pc-windows-msvc	6m 31s
aarch64-apple-darwin	2m 50s
Cargo publish taplo	15s
x86_64-pc-windows-msvc	5m 14s
Cargo publish taplo-common	19s
aarch64-pc-windows-msvc	5m 39s
Cargo publish taplo-lsp	10s
NPM publish @taplo/cli	29s
NPM publish @taplo/core	14s
NPM publish @taplo/lib	27s
NPM publish @taplo/lsp	22s
Build python wheels (ubuntu, x86)	5m 48s
Build python wheels (ubuntu, x64)	3m 33s
Build python wheels (windows, x86)	8m 32s
Build python wheels (windows, x64)	7m 0s
Build python wheels (macos, x64)	4m 4s
Build python wheels (macos, aarch64)	4m 21s
Publish VSCode Extension	45s
Build linux executables	19m 27s
Test python wheels (windows-latest)	21s
Test python wheels (ubuntu-latest)	15s
Test python wheels (macos-latest)	8s
PyPI publish taplo	0s
Release Taplo CLI binaries	8s
	1h 19m 53s

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