Add TEST block-variation (to illustrate the idea)

build/variations/add-to-calendar/class-add-to-calendar.php

@@ -0,0 +1,61 @@
+<?php
+/**
+ * 
+ *
+ * ....
+ *
+ * @package GatherPress\Core
+ * @since 1.0.0
+ */
+
+namespace GatherPress\Core\Block;
+
+// Exit if accessed directly.
+defined( 'ABSPATH' ) || exit; // @codeCoverageIgnore
+
+use GatherPress\Core\Traits\Singleton;
+
+// Could potentially use a ...
+// use GatherPress\Core\Traits\Block_Variation;
+
+/**
+ * 
+ *
+ * ....
+ *
+ * @since 1.0.0
+ */
+class Add_To_Calendar {
+	/**
+	 * Enforces a single instance of this class.
+	 */
+	use Singleton;
+
+	/**
+	 * Class constructor.
+	 *
+	 * This method initializes the object and sets up necessary hooks.
+	 *
+	 * @since 1.0.0
+	 */
+	protected function __construct() {
+		$this->setup_hooks();
+	}
+
+	/**
+	 * Set up hooks for various purposes.
+	 *
+	 * This method adds hooks for different purposes as needed.
+	 *
+	 * @since 1.0.0
+	 *
+	 * @return void
+	 */
+	protected function setup_hooks(): void {
+        // wp_die('variation test end.');
+
+        // add_action( 'init', array( $this, 'register_block_bindings_sources' ) );
+        // add_action( 'init', array( $this, 'register_blocks_styles' ) );
+	}
+
+}

build/variations/add-to-calendar/index.asset.php

@@ -0,0 +1 @@
+<?php return array('dependencies' => array(), 'version' => '31d6cfe0d16ae931b73c');

src/variations/add-to-calendar/class-add-to-calendar.php

@@ -0,0 +1,61 @@
+<?php
+/**
+ * 
+ *
+ * ....
+ *
+ * @package GatherPress\Core
+ * @since 1.0.0
+ */
+
+namespace GatherPress\Core\Block;
+
+// Exit if accessed directly.
+defined( 'ABSPATH' ) || exit; // @codeCoverageIgnore
+
+use GatherPress\Core\Traits\Singleton;
+
+// Could potentially use a ...
+// use GatherPress\Core\Traits\Block_Variation;
+
+/**
+ * 
+ *
+ * ....
+ *
+ * @since 1.0.0
+ */
+class Add_To_Calendar {
+	/**
+	 * Enforces a single instance of this class.
+	 */
+	use Singleton;
+
+	/**
+	 * Class constructor.
+	 *
+	 * This method initializes the object and sets up necessary hooks.
+	 *
+	 * @since 1.0.0
+	 */
+	protected function __construct() {
+		$this->setup_hooks();
+	}
+
+	/**
+	 * Set up hooks for various purposes.
+	 *
+	 * This method adds hooks for different purposes as needed.
+	 *
+	 * @since 1.0.0
+	 *
+	 * @return void
+	 */
+	protected function setup_hooks(): void {
+        // wp_die('variation test end.');
+
+        // add_action( 'init', array( $this, 'register_block_bindings_sources' ) );
+        // add_action( 'init', array( $this, 'register_blocks_styles' ) );
+	}
+
+}