Part 2. Hide and disable Keyboard Shortcuts, because they make using Ctrl-C to copy etc impossible.

Thanks to xet7 !

Fixes #5603,
fixes #2423,
fixes #1878,
fixes #931

client/components/sidebar/sidebar.jade

@@ -5,10 +5,12 @@ template(name="sidebar")
     //  title="{{showTongueTitle}}")
     //  i.fa.fa-navicon
     .sidebar-actions
-      //.sidebar-shortcuts
-      //  a.board-header-btn.js-shortcuts(title="{{_ 'keyboard-shortcuts' }}")
-      //    i.fa.fa-keyboard-o
-      //    span {{_ 'keyboard-shortcuts' }}
+      .sidebar-shortcuts
+         
+         
+        //a.board-header-btn.js-shortcuts(title="{{_ 'keyboard-shortcuts' }}")
+        //  i.fa.fa-keyboard-o
+        //  span {{_ 'keyboard-shortcuts' }}
       a.sidebar-xmark.js-close-sidebar ✕
     .sidebar-content.js-board-sidebar-content
       //a.hide-btn.js-hide-sidebar