hyperlight-libc 0.16.0

This crate provides picolibc for Hyperlight guests. It builds the picolibc library and generates bindings to the libc types and functions.
Documentation
#!/bin/bash

cat head

for build in cmake; do
    for arch in linux; do
	echo "  $build-$arch:"
	cat variants-$build
        cat <<EOF
        test: [
          "./.github/do-cmake-linux -DCMAKE_BUILD_TYPE=RelWithDebInfo",
          "./.github/do-cmake-linux -DCMAKE_BUILD_TYPE=MinSizeRel",
        ]
EOF
	cat steps-head
	cat steps-$build
    done
done

for build in minsize release; do
    for arch in linux-arm linux-riscv linux-misc; do
	echo "  $build-$arch:"
	cat variants
        cat <<EOF
        test: [
          "./.github/do-$arch",
        ]
EOF
	cat steps-head
	cat steps-$build
    done
done