Implement Go language binding (#1196)

Implement Go binding APIs of runtime, module and instance
Add sample, build scripts and update the document

Co-authored-by: venus-taibai <97893654+venus-taibai@users.noreply.github.com>

core/shared/platform/include/platform_api_extension.h

@@ -107,6 +107,12 @@ os_thread_env_init();
 void
 os_thread_env_destroy();
 
+/**
+ * Whether the thread environment is initialized
+ */
+bool
+os_thread_env_inited();
+
 /**
  * Suspend execution of the calling thread for (at least)
  * usec microseconds