Add settings page

src/settings/QdSettings.tsx

@@ -0,0 +1,18 @@
+import { Typography, Switch, FloatButton, Affix, Button } from "antd";
+import { SaveTwoTone, SaveOutlined } from "@ant-design/icons";
+import { useState } from "react";
+
+const { Title } = Typography;
+
+export default function QdSettings() {
+    const [container, setContainer] = useState<HTMLElement | null>(null);
+    return (
+        <div ref={setContainer}>
+            <Title level={2}>起点设置</Title>
+            <Affix target={() => container}>
+                <Button type="primary" icon={<SaveOutlined />}>保存设置</Button>
+            </Affix>
+            <FloatButton icon={<SaveTwoTone />} tooltip="保存设置" />
+        </div>
+    );
+}