feat: 删除 input-text 组件，添加消息组件，重构表单输入逻辑

src/__fk-inputs__/sections/messages.ts

@@ -0,0 +1,11 @@
+import { createSection } from '@formkit/inputs';
+
+/**
+ * Messages section where all messages will be displayed.
+ *
+ * @public
+ */
+export const messages = createSection('messages', () => ({
+  $el: 'ul',
+  if: '$defaultMessagePlacement && $fns.length($messages)',
+}))