Page creation UI integration

- Create a "new blank" page as a pattern

classes/patterns/class-blankpage.php

@@ -0,0 +1,40 @@
+<?php
+/**
+ * BlankPage class.
+ *
+ * @package P4GBKS
+ * @since 0.1
+ */
+
+namespace P4GBKS\Patterns;
+
+/**
+ * Post Content
+ *
+ * @package P4GBKS\Patterns
+ */
+class BlankPage extends Block_Pattern {
+
+	/**
+	 * @inheritDoc
+	 */
+	public static function get_name(): string {
+		return 'p4/blank-page';
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public static function get_config( $params = [] ): array {
+		return [
+			'title'      => __( 'Blank page', 'planet4-blocks-backend' ),
+			'blockTypes' => [ 'core/post-content' ],
+			'categories' => [ 'planet4' ],
+			'content'    => '
+				<!-- wp:paragraph {"placeholder":"' . __( 'Enter text', 'planet4-blocks-backend' ) . '"} -->
+				<p></p>
+				<!-- /wp:paragraph -->
+			',
+		];
+	}
+}

classes/patterns/class-block-pattern.php

@@ -35,6 +35,7 @@ public static function register_all() {
 		}
 
 		$patterns = [
+			BlankPage::class,
 			SideImageWithTextAndCta::class,
 			HighlightedCta::class,
 			RealityCheck::class,