Add wgc demo

main.cpp

@@ -0,0 +1,17 @@
+
+#define AMRECORDER_IMPORT
+#include <iostream>
+
+#include "export.h"
+#include "head.h"
+
+int main() {
+  bool is_supported = wgc_is_supported();
+  if (!wgc_is_supported) {
+    std::cout << "Not support wgc" << std::endl;
+    return -1;
+  }
+
+  rd rd;
+  return 0;
+}