feat: Timepicker + JsonSerializer

changelog.txt

 # Changelog
 
+## [2.3] - 2020-10-15
+### Added
+- Added Timepicker field
+- Added JsonSerializer
+
 ## [2.2.2] - 2020-09-23
 ### Changed
 - Fixed namespace for number field

src/Field/TimepickerField.php

+<?php
+
+namespace WPDesk\Forms\Field;
+
+class TimepickerField extends BasicField {
+	/**
+	 * @inheritDoc
+	 */
+	public function get_template_name() {
+		return 'timepicker';
+	}
+}

src/Serializer/JsonSerializer.php

+<?php
+
+namespace WPDesk\Forms\Serializer;
+
+use WPDesk\Forms\Serializer;
+
+class JsonSerializer implements Serializer {
+	public function serialize( $value ) {
+		return json_encode( $value );
+	}
+
+	public function unserialize( $value ) {
+		return json_decode( $value, true );
+	}
+}