Add Windows support across build, TUI rendering, bash executor, and t… #16

Job	Run time
build (x86_64-unknown-linux-gnu, ubuntu-latest)	2m 49s
build (x86_64-pc-windows-msvc, windows-latest)	5m 13s
build (x86_64-apple-darwin, macos-latest)	2m 51s
build (aarch64-apple-darwin, macos-latest)	3m 54s
release	9s
	14m 56s

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