cleaned files by prefixing names with 'example' when not means to be used in other plugins aka not utils

plugins/wp_model_plugin/html/example_index.html

@@ -4,6 +4,6 @@
 	<button id='test_ajax_1' name="ajax_button_1" value="2024">2024</button>
 	<?php
 		foreach($names as $name) {
-			include($html_dir."templates/presentation.html");
+			include($html_dir."templates/example_presentation.html");
 		}
 	?>