added code identifier for markdown (#2)

Signed-off-by: SleepyDeveloper <[email protected]>

Section3/README.md

@@ -66,7 +66,7 @@ Now that we have our public API and our basic fact skill up and running, we can
     ```
     **Replace the url and path with the specifics from your hostname and path configuration for your AWS Microservice.**
 9. Since you're using `await`, you'll need to make sure that the **handle** function is **asynchronous**.
-    ```
+    ```javascript
     async handle(handerInput)
     ```
 10. *Deploy* the code.