function be_reusable_blocks_admin_menu() {
add_menu_page( 'Reusable Blocks', 'Reusable Blocks', 'edit_posts', 'edit.php?post_type=wp_block', '', 'dashicons-editor-table', 22 );
}
add_action( 'admin_menu', 'be_reusable_blocks_admin_menu' );
Gutenberg
Color Palette for Gutenberg
add_action( 'after_setup_theme', function() {
add_theme_support( 'editor-color-palette', array(
array(
'name' => __( 'Blue' ),
'slug' => 'blue',
'color' => '#59BACC',
),
array(
'name' => __( 'Green' ),
'slug' => 'green',
'color' => '#58AD69',
),
array(
'name' => __( 'Orange' ),
'slug' => 'orange',
'color' => '#FFBC49',
),
array(
'name' => __( 'Red' ),
'slug' => 'red',
'color' => '#E2574C',
),
) );
} );
Deactivate Gutenberg Editor
add_filter('use_block_editor_for_post', '__return_false', 10);