Add additional padding around node title for symmetry

Author: jakezatecky

src/less/react-checkbox-tree.less

@@ -83,6 +83,10 @@
   color: @rct-icon-color;
 }
 
+.rct-title {
+  padding: 0 5px;
+}
+
 .rct-icon-expand-close::before {
   content: "\f054";
 }

src/sass/react-checkbox-tree.scss

@@ -83,6 +83,10 @@ $rct-label-hover: rgba($rct-icon-color, .1) !default;
   color: $rct-icon-color;
 }
 
+.rct-title {
+  padding: 0 5px;
+}
+
 .rct-icon-expand-close::before {
   content: "\f054";
 }