Split one big note into tip and note blocks

And slightly reword the text

Author: bocharsky-bw

src/StimulusBundle/doc/index.rst

@@ -175,7 +175,10 @@ actions & targets in your templates.
 .. note::
 
     Though this bundle provides these helpful Twig functions/filters, it's
-    recommended to use raw data attributes instead, as they're simple enough.
+    recommended to use raw data attributes instead, as they're straightforward.
+
+.. tip::
+
     If you use PhpStorm IDE - you may want to install
     [Stimulus plugin](https://plugins.jetbrains.com/plugin/18940-stimulus)
     to get nice auto-completion for the attributes.