show sidebar on help browser click

emscripten/project/purr-data/index.html

@@ -79,7 +79,7 @@
         </div>
 
 		<a id="sidebar-collapse" class="m-2" data-toggle="collapse" data-target="#sidebar">
-			<i class="fa fa-angle-double-left rotate-transition" onclick="rotate(this)"></i>
+			<i class="fa fa-angle-double-left rotate-transition" id="sidebar-col-icon" onclick="rotate(this)"></i>
 		</a>
 
         <!-- Canvas/Pd Windows -->

emscripten/project/purr-data/utils/actions.js

@@ -97,6 +97,14 @@ function load_menu_actions(){
         }
     });
 
+    minit("help-browser", {onclick:
+        function(){
+            // show sidebar
+            $("#sidebar").collapse("show");
+            $("#sidebar-col-icon").removeClass("rotate");
+        }
+    });
+
     minit("help-intro", {onclick:
         function(){
             pdbundle.pdgui.web_external_doc_open("http://puredata.info/docs/manuals/pdrefcards/pd-refcard-en.pdf/view")