feat: layout the knowledge list page and modify the page switching button in the header (#48)

* feat: remove unnecessary 'loading' fields from other files

* feat: layout the knowledge list page

* feat: modify the page switching button in the header

web/src/layouts/components/header/index.tsx

@@ -0,0 +1,74 @@
+import { ReactComponent as StarIon } from '@/assets/svg/chat-star.svg';
+import { ReactComponent as Logo } from '@/assets/svg/logo.svg';
+import { Layout, Radio, Space, theme } from 'antd';
+
+import styles from './index.less';
+
+import { useMemo } from 'react';
+import { useLocation, useNavigate } from 'umi';
+import User from '../user';
+
+const { Header } = Layout;
+
+const RagHeader = () => {
+  const {
+    token: { colorBgContainer },
+  } = theme.useToken();
+  const navigate = useNavigate();
+  const { pathname } = useLocation();
+
+  const tagsData = [
+    { path: '/knowledge', name: 'knowledge' },
+    { path: '/chat', name: 'chat' },
+    { path: '/file', name: 'file' },
+  ];
+
+  const currentPath = useMemo(() => {
+    return tagsData.find((x) => x.path === pathname)?.name || 'knowledge';
+  }, [pathname]);
+
+  const handleChange = (path: string) => {
+    navigate(path);
+  };
+
+  return (
+    <Header
+      style={{
+        padding: '0 16px',
+        background: colorBgContainer,
+        display: 'flex',
+        justifyContent: 'space-between',
+        alignItems: 'center',
+        height: '72px',
+      }}
+    >
+      <Space size={12}>
+        <Logo className={styles.appIcon}></Logo>
+        <label className={styles.appName}>Infinity flow</label>
+      </Space>
+      <Space size={[0, 8]} wrap>
+        <Radio.Group
+          defaultValue="a"
+          buttonStyle="solid"
+          className={styles.radioGroup}
+          value={currentPath}
+        >
+          {tagsData.map((item) => (
+            <Radio.Button
+              value={item.name}
+              onClick={() => handleChange(item.path)}
+            >
+              <Space>
+                <StarIon className={styles.radioButtonIcon}></StarIon>
+                {item.name}
+              </Space>
+            </Radio.Button>
+          ))}
+        </Radio.Group>
+      </Space>
+      <User></User>
+    </Header>
+  );
+};
+
+export default RagHeader;