help: Add feature flags and update wording (#92)

Author: microbit-mark

editor.html

@@ -73,6 +73,7 @@
         EDITOR_VERSION = "1.1.2";
         UPY_VERSION = "1.0.1";
         </script>
+        
         <script id="load-template" type="x-tmpl-mustache">
             <h2><i class="fa fa-upload"></i> <strong>{{ title }}</strong></h2>
             <div class="load-drag-target" id="load-drag-target">
@@ -192,8 +193,8 @@ <h2><i class="fa fa-unlock-alt"></i> <strong>{{ title }}</strong></h2>
                 </a>
                 <div class="helpsupport_container">
                     <div class="helpsupport_lhs">
-                        <div class="helpsupport"><a title="View the documentation for MicroPython" href="https://microbit-micropython.readthedocs.io/en/latest/" target="_blank">Documentation</a></div>
-                        <div class="helpsupport"><a title="Open help for this editor in a new tab" href="help.html" target="_blank">Help</a></div>
+                        <div class="helpsupport"><a id="docs-link" title="View the documentation for MicroPython" href="https://microbit-micropython.readthedocs.io/" target="_blank">Documentation</a></div>
+                        <div class="helpsupport"><a id="help-link" title="Open help for this editor in a new tab" href="help.html" target="_blank" >Help</a></div>
                         <div class="helpsupport"><a title="Get support for your micro:bit in a new tab" href="https://support.microbit.org/support/home" target="_blank">Support</a></div>
                     </div>
                     <div class="helpsupport_rhs">