auto numbering for notes in mini editor

app/components/SimpleEditor/panes/Notes/notes.scss

@@ -3,6 +3,7 @@ $white: #fff;
 .notes-container {
   background-color: $white;
   bottom: 0;
+  counter-reset: note-footer;
   height: 95px;
   left: 130px;
   max-height: 700px;
@@ -23,4 +24,10 @@ $white: #fff;
    .sc-isolated-node {
      border: 1px solid red!important;
    }
+   .sc-isolated-node::before {
+    content: ''counter(note-footer)'. ';
+    counter-increment: note-footer;
+    left: -40px;
+    position: absolute;
+}
   }