Fix note formatting in quick-start-compiler.md

Fix note formatting, so code snippet is included in note and so number isn't a bullet.

Author: Amanda Butler

docs/tutorials/quickstart/quick-start-compiler.md

@@ -27,15 +27,14 @@ Alternatively, you may select the import button on the top left hand side of the
 
     <span class="images">![](https://s3-us-west-2.amazonaws.com/mbed-os-docs-images/online_compile_button.png)</span>
 
-    <span class="notes">**Note:** To build with the Mbed OS bare metal profile, add `"requires": ["bare-metal"]` to the `mbed_app.json` file:
-
+    <span class="notes">**Note:** To build with the Mbed OS bare metal profile, add `"requires": ["bare-metal"]` to the `mbed_app.json` file:<br>
     ```NOCI
     {
         "requires": ["bare-metal"],
         "target_overrides": {
             "*": {
     ```
-   </span>
+</br></span>
 
 1. Open the folder where the executable file was downloaded, and then click and drag (or copy and paste) the file to your Mbed board's USB device folder.