27. Textarea with hints

Simple textarea with ability to fast insert hinted items

'field_1' => array(
   'type' => 'hint_textarea',
   'label' => esc_html__( 'Hinted area', 'my-domain' ),
   'vars' => [
			'hint_1_key' => esc_html__( 'Hint label 1', 'my-domain' ),
			'hint_2_key' => esc_html__( 'Hint label 2', 'my-domain' ),
			'hint_3_key' => esc_html__( 'Hint label 3', 'my-domain' ),
		],
),