Rename example_plain_text.php to examples/example_plain_text.php

Author: felipe1234-dev

example_plain_text.php examples/example_plain_text.phpexample_plain_text.php renamed to examples/example_plain_text.php

@@ -4,4 +4,4 @@
 $doc = new WebParser();
 $doc->loadHTMLFile('https://en.wikipedia.org/wiki/COVID-19_pandemic');
 // * stands for "everything"
-echo $doc->query("*")->getText();
+echo $doc->query("*")->getText();