feature(petition): added text petition

src/DisplayStrategy/DisplayDecision.php

+<?php
+
+namespace WPDesk\RepositoryRating\DisplayStrategy;
+
+/**
+ * ShouldDisplay interface.
+ */
+interface DisplayDecision {
+
+	/**
+	 * Returns true when element should be displayed.
+	 *
+	 * @return bool
+	 */
+	public function should_display();
+
+}
\ No newline at end of file