Add Windows installation instructions for Scoop #3244

Job	Run time
Test with MIME database	7m 47s
Test x86_64-unknown-linux-gnu	4m 7s
Test x86_64-apple-darwin	7m 19s
Test x86_64-pc-windows-msvc	5m 54s
Test aarch64-unknown-linux-gnu	6m 13s
Test aarch64-apple-darwin	4m 52s
Test x86_64-unknown-linux-musl	1h 2m 52s
Actionlint	17m 31s
Rustfmt	1m 8s
Check Linux Packaging	5m 33s
Output Regression Test	7m 26s
Test Linux (latest stable Rust)	2m 16s
	2h 12m 58s

Provide feedback