Update links to blocks documentation

Author: ajitbohra

templates/block-index-js.mustache

@@ -1,23 +1,23 @@
 ( function( wp ) {
 	/**
 	 * Registers a new block provided a unique name and an object defining its behavior.
-	 * @see https://github.com/WordPress/gutenberg/tree/master/blocks#api
+	 * @see https://wordpress.org/gutenberg/handbook/designers-developers/developers/block-api/#registering-a-block
 	 */
 	var registerBlockType = wp.blocks.registerBlockType;
 	/**
 	 * Returns a new element of given type. Element is an abstraction layer atop React.
-	 * @see https://github.com/WordPress/gutenberg/tree/master/element#element
+	 * @see https://wordpress.org/gutenberg/handbook/designers-developers/developers/packages/packages-element/
 	 */
 	var el = wp.element.createElement;
 	/**
 	 * Retrieves the translation of text.
-	 * @see https://github.com/WordPress/gutenberg/tree/master/i18n#api
+	 * @see https://wordpress.org/gutenberg/handbook/designers-developers/developers/packages/packages-i18n/
 	 */
 	var __ = wp.i18n.__;
 
 	/**
 	 * Every block starts by registering a new block type definition.
-	 * @see https://wordpress.org/gutenberg/handbook/block-api/
+	 * @see https://wordpress.org/gutenberg/handbook/designers-developers/developers/block-api/#registering-a-block
 	 */
 	registerBlockType( '{{namespace}}/{{slug}}', {
 		/**
@@ -51,7 +51,7 @@
 		/**
 		 * The edit function describes the structure of your block in the context of the editor.
 		 * This represents what the editor will render when the block is used.
-		 * @see https://wordpress.org/gutenberg/handbook/block-edit-save/#edit
+		 * @see https://wordpress.org/gutenberg/handbook/designers-developers/developers/block-api/block-edit-save/#edit
 		 *
 		 * @param {Object} [props] Properties passed from the editor.
 		 * @return {Element}       Element to render.
@@ -67,7 +67,7 @@
 		/**
 		 * The save function defines the way in which the different attributes should be combined
 		 * into the final markup, which is then serialized by Gutenberg into `post_content`.
-		 * @see https://wordpress.org/gutenberg/handbook/block-edit-save/#save
+		 * @see https://wordpress.org/gutenberg/handbook/designers-developers/developers/block-api/block-edit-save/#save
 		 *
 		 * @return {Element}       Element to render.
 		 */

templates/block-php.mustache

@@ -10,7 +10,7 @@
  * Registers all block assets so that they can be enqueued through Gutenberg in
  * the corresponding context.
  *
- * @see https://wordpress.org/gutenberg/handbook/blocks/writing-your-first-block-type/#enqueuing-block-scripts
+ * @see https://wordpress.org/gutenberg/handbook/designers-developers/developers/tutorials/block-tutorial/applying-styles-with-stylesheets/
  */
 function {{machine_name}}_block_init() {
 	// Skip block registration if Gutenberg is not enabled/merged.