Sami Kukkonen strax

## hello.c
/*
 * This code is a headerless implementation of the WASI interface in C and prints "Hello World!.
 * You only need clang and the llvm linker.
 *
 * compile with
 *     clang -Os -nostdlib --target=wasm32 -Wl,--allow-undefined hello.c -o hello.wasm
 *
 * run with
 *    https://runno.dev/wasi
 *        Just upload hello.wasm
	/*
	* This code is a headerless implementation of the WASI interface in C and prints "Hello World!.
	* You only need clang and the llvm linker.
	*
	* compile with
	* clang -Os -nostdlib --target=wasm32 -Wl,--allow-undefined hello.c -o hello.wasm
	*
	* run with
	* https://runno.dev/wasi
	* Just upload hello.wasm