Add quickjs-2021-03-27 to third_party

third_party/quickjs/examples/test_fib.js

@@ -0,0 +1,6 @@
+/* example of JS module importing a C module */
+
+import { fib } from "./fib.so";
+
+console.log("Hello World");
+console.log("fib(10)=", fib(10));