high-level API for ConvexMesh, TriangleMesh, HeightField #828

Job	Run time
cargo-deny	28s
Test (Debug) (ubuntu-22.04, x86_64-unknown-linux-gnu)	19m 8s
Test (Debug) (ubuntu-22.04, aarch64-unknown-linux-gnu, ghcr.io/cross-rs/aarch64-unknown-linux-gnu...	17m 11s
Test (Debug) (windows-2022, x86_64-pc-windows-msvc)	12m 24s
Test (Debug) (macOS-12, x86_64-apple-darwin)	20m 22s
Lint	3m 24s
Build aarch64-apple-darwin (macOS-12, aarch64-apple-darwin)	3m 37s
Package	3m 1s
Build (Release) (aarch64-linux-android)	4m 6s
	1h 23m 41s

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