add windows clang-cl ci #10

Job	Run time
Test CUDA support	44s
Test build-std (aarch64-tvos)	2m 53s
MSRV (ubuntu-latest)	24s
Clippy	16s
Test build-std (aarch64-tvos-sim)	2m 46s
MSRV (windows-latest)	43s
Test build-std (x86_64-tvos)	4m 6s
Rustfmt	18s
Test (stable)	24s
Test (beta)	31s
Test (nightly)	1m 2s
Test (linux32)	1m 8s
Test (macos)	1s
Test (aarch64-macos)	46s
Test (aarch64-ios)	51s
Test (win32)	53s
Test (win64)	53s
Test (mingw32)	57s
Test (mingw64)	55s
Test (windows-2019)	57s
Test (windows-aarch64, windows-latest, stable, aarch64-pc-windows-msvc, --no-run)	52s
Test (windows-clang, windows-2019, stable, x86_64-pc-windows-msvc, AR=llvm-ar CC=clang CXX=clang+...	28s
Test (windows-clang-cl, windows-2019, stable, x86_64-pc-windows-msvc, AR=llvm-ar CC=clang-cl CXX=...	21s
	23m 9s

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