added input number form field

src/Field/InputNumberField.php

+<?php
+
+namespace DropshippingXmlVendor\WPDesk\Forms\Field;
+
+use DropshippingXmlVendor\WPDesk\Forms\Sanitizer\TextFieldSanitizer;
+class InputNumberField extends \DropshippingXmlVendor\WPDesk\Forms\Field\BasicField
+{
+    public function __construct()
+    {
+        parent::__construct();
+        $this->set_default_value('');
+        $this->set_attribute('type', 'number');
+    }
+    public function get_sanitizer()
+    {
+        return new \DropshippingXmlVendor\WPDesk\Forms\Sanitizer\TextFieldSanitizer();
+    }
+    public function get_template_name()
+    {
+        return 'input-number';
+    }
+}

templates/input-number.php

+<?php
+
+/**
+ * @var \WPDesk\Forms\Field $field
+ * @var \WPDesk\View\Renderer\Renderer $renderer
+ * @var string $name_prefix
+ * @var string $value
+ *
+ * @var string $template_name Real field template.
+ *
+ */
+echo $renderer->render('input', ['field' => $field, 'renderer' => $renderer, 'name_prefix' => $name_prefix, 'value' => $value]);

templates/input.php

 <?php
+
 /**
  * @var \WPDesk\Forms\Field $field
  * @var string $name_prefix
@@ -6,39 +7,100 @@
  */
 ?>
 
-<?php if ( ! in_array( $field->get_type(), [ 'text', 'hidden' ] ) ): ?>
-	<input type="hidden" name="<?php echo $name_prefix; ?>[<?php echo $field->get_name(); ?>]" value="no"/>
-<?php endif; ?>
+<?php
+if (!\in_array($field->get_type(), ['number', 'text', 'hidden'])) {
+    ?>
+	<input type="hidden" name="<?php
+    echo $name_prefix;
+    ?>[<?php
+    echo $field->get_name();
+    ?>]" value="no"/>
+<?php
+}
+?>
 
-<?php if ( $field->get_type() === 'checkbox' && $field->has_sublabel() ) : ?>
+<?php
+if ($field->get_type() === 'checkbox' && $field->has_sublabel()) {
+    ?>
 <label>
-<?php endif; ?>
+<?php
+}
+?>
 
 <input
-	type="<?php echo esc_attr( $field->get_type() ); ?>"
-	name="<?php echo esc_attr( $name_prefix ); ?>[<?php echo esc_attr( $field->get_name() ); ?>]"
-	id="<?php echo esc_attr( $field->get_id() ); ?>"
+	type="<?php
+echo \esc_attr($field->get_type());
+?>"
+	name="<?php
+echo \esc_attr($name_prefix);
+?>[<?php
+echo \esc_attr($field->get_name());
+?>]"
+	id="<?php
+echo \esc_attr($field->get_id());
+?>"
 
-	<?php if ( $field->has_classes() ): ?>class="<?php echo esc_attr( $field->get_classes() ); ?>"<?php endif; ?>
+	<?php
+if ($field->has_classes()) {
+    ?>class="<?php
+    echo \esc_attr($field->get_classes());
+    ?>"<?php
+}
+?>
 
-	<?php if ( $field->get_type() === 'text' && $field->has_placeholder() ): ?>placeholder="<?php echo esc_html( $field->get_placeholder() ); ?>"<?php endif; ?>
+	<?php
+if ($field->get_type() === 'text' && $field->has_placeholder()) {
+    ?>placeholder="<?php
+    echo \esc_html($field->get_placeholder());
+    ?>"<?php
+}
+?>
 
-<?php foreach ( $field->get_attributes() as $key => $atr_val ): ?>
-<?php echo $key ?>="<?php echo esc_attr( $atr_val ); ?>"
-<?php endforeach; ?>
+<?php
+foreach ($field->get_attributes() as $key => $atr_val) {
+    echo $key;
+    ?>="<?php
+    echo \esc_attr($atr_val);
+    ?>"
+<?php
+}
+?>
 
-<?php if ( $field->is_required() ): ?>required="required"<?php endif; ?>
-<?php if ( $field->is_disabled() ): ?>disabled="disabled"<?php endif; ?>
-<?php if ( $field->is_readonly() ): ?>readonly="readonly"<?php endif; ?>
+<?php
+if ($field->is_required()) {
+    ?>required="required"<?php
+}
+if ($field->is_disabled()) {
+    ?>disabled="disabled"<?php
+}
+if ($field->is_readonly()) {
+    ?>readonly="readonly"<?php
+}
+?>
 
-<?php if ( in_array( $field->get_type(), [ 'text', 'hidden' ] ) ): ?>
-	value="<?php echo esc_html( $value ); ?>"
-<?php else: ?>
+<?php
+if (\in_array($field->get_type(), ['number', 'text', 'hidden'])) {
+    ?>
+	value="<?php
+    echo \esc_html($value);
+    ?>"
+<?php
+} else {
+    ?>
 	value="yes"
-	<?php if ( $value === 'yes' ): ?>checked="checked"<?php endif; ?>
-<?php endif; ?>
+	<?php
+    if ($value === 'yes') {
+        ?>checked="checked"<?php
+    }
+}
+?>
 />
 
-<?php if ( $field->get_type() === 'checkbox' && $field->has_sublabel() ) : ?>
-	<?php echo esc_html( $field->get_sublabel() ); ?></label>
-<?php endif; ?>
+<?php
+if ($field->get_type() === 'checkbox' && $field->has_sublabel()) {
+    ?>
+	<?php
+    echo \esc_html($field->get_sublabel());
+    ?></label>
+<?php
+}