high-level API for ConvexMesh, TriangleMesh, HeightField #821

Job	Run time
cargo-deny	23s
Test (Debug) (ubuntu-22.04, x86_64-unknown-linux-gnu)	14m 49s
Test (Debug) (ubuntu-22.04, aarch64-unknown-linux-gnu, ghcr.io/cross-rs/aarch64-unknown-linux-gnu...	18m 8s
Test (Debug) (windows-2022, x86_64-pc-windows-msvc)	13m 22s
Test (Debug) (macOS-12, x86_64-apple-darwin)	24m 7s
Build aarch64-apple-darwin (macOS-12, aarch64-apple-darwin)	5m 3s
Lint	3m 48s
Build (Release) (aarch64-linux-android)	6m 0s
Package	2m 27s
	1h 28m 7s

Provide feedback