feat: add RelevantForm #918 (#1313)

### What problem does this PR solve?

feat: add RelevantForm #918

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/pages/flow/relevant-form/index.tsx

@@ -0,0 +1,33 @@
+import LLMSelect from '@/components/llm-select';
+import { useTranslate } from '@/hooks/commonHooks';
+import { Form } from 'antd';
+import { useSetLlmSetting } from '../hooks';
+import { IOperatorForm } from '../interface';
+
+const RelevantForm = ({ onValuesChange, form }: IOperatorForm) => {
+  const { t } = useTranslate('chat');
+  useSetLlmSetting(form);
+
+  return (
+    <Form
+      name="basic"
+      labelCol={{ span: 8 }}
+      wrapperCol={{ span: 16 }}
+      style={{ maxWidth: 600 }}
+      initialValues={{ remember: true }}
+      onValuesChange={onValuesChange}
+      autoComplete="off"
+      form={form}
+    >
+      <Form.Item
+        name={'llm_id'}
+        label={t('model', { keyPrefix: 'chat' })}
+        tooltip={t('modelTip', { keyPrefix: 'chat' })}
+      >
+        <LLMSelect></LLMSelect>
+      </Form.Item>
+    </Form>
+  );
+};
+
+export default RelevantForm;