Add truffleruby+graalvm-dev

Author: eregon

share/ruby-build/truffleruby+graalvm-dev

@@ -0,0 +1,17 @@
+platform="$(uname -s)-$(uname -m)"
+case $platform in
+Linux-x86_64)
+  install_package "truffleruby+graalvm-dev" "https://github.com/graalvm/graalvm-ce-dev-builds/releases/latest/download/graalvm-ce-java11-linux-amd64-dev.tar.gz" truffleruby_graalvm
+  ;;
+Linux-aarch64)
+  install_package "truffleruby+graalvm-dev" "https://github.com/graalvm/graalvm-ce-dev-builds/releases/latest/download/graalvm-ce-java11-linux-aarch64-dev.tar.gz" truffleruby_graalvm
+  ;;
+Darwin-x86_64)
+  use_homebrew_openssl
+  install_package "truffleruby+graalvm-dev" "https://github.com/graalvm/graalvm-ce-dev-builds/releases/latest/download/graalvm-ce-java11-darwin-amd64-dev.tar.gz" truffleruby_graalvm
+  ;;
+*)
+  colorize 1 "Unsupported platform: $platform"
+  return 1
+  ;;
+esac