Update quickstart example

Author: kostasx

docs/react-testing-library/example-intro.mdx

@@ -6,7 +6,7 @@ sidebar_label: Example
 
 ## Quickstart
 
-This is a very simple setup to get you started. 
+This is a minimal setup to get you started. 
 If you want to see a description of what each line does, 
 scroll down to the [annotated version](#quickstart-annotated).
 Scroll down to [Full Example](#full-example) to see a more advanced test setup.