Created Hello World (markdown)

Hello-World.md

@@ -0,0 +1,27 @@
+``` c
+#include <stdlib.h>
+#include <stdio.h>
+
+/* Include the mruby header */
+#include <mruby.h>
+#include <mruby/proc.h>
+#include <mruby/data.h>
+#include <compile.h>
+
+int main(void)
+{
+  struct mrb_parser_state *p;
+  mrb_state *mrb = mrb_open();
+  char code[] = "p 'hello world!'";
+  printf("Executing code with mruby!\n");
+
+  p = mrb_parse_string(mrb, code);
+  int n;
+  n = mrb_generate_code(mrb, p->tree);
+  mrb_run(mrb, mrb_proc_new(mrb, mrb->irep[n]), mrb_nil_value());
+  if (mrb->exc) {
+    mrb_funcall(mrb, mrb_nil_value(), "p", 1, mrb_obj_value(mrb->exc));
+  }
+  return 0;
+}
+```