Change Typography Size

Summary:
Typography on Sandy! The designed typography is [here in Figma](https://www.figma.com/file/4e6BMdm2SuZ1L7FSuOPQVC/Flipper?node-id=238%3A172)

Current deflects
- cannot find component for 'body - small' and 'meta'
- don't know how to set 'link secondary hover' as designed

Reviewed By: mweststrate

Differential Revision: D23869256

fbshipit-source-id: efb1475749cebad529b502458d1b15bd445bb346

desktop/app/src/sandy-chrome/TypographyExample.tsx

@@ -0,0 +1,53 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ */
+
+import React from 'react';
+import {Typography, Button, Space, Input} from 'antd';
+// import {styled, FlexColumn} from 'flipper';
+
+const {Title, Text, Link} = Typography;
+
+// const Container = styled(FlexColumn)({});
+
+export default function TypographyExample() {
+  return (
+    <Space>
+      <Space direction="vertical">
+        <Title>h1. Headline</Title>
+        <Title level={2}>h2. Headline</Title>
+        <Title level={3}>h3. Headline</Title>
+        <Title level={4}>h4. Headline</Title>
+        <Text>Body - Regular</Text>
+        <Text strong>Body - Strong</Text>
+        <Button type="text" size="middle">
+          Button
+        </Button>
+        <Button type="text" size="small">
+          Button small
+        </Button>
+        <Text code>Code</Text>
+      </Space>
+      <Space direction="vertical">
+        <Text>Primary</Text>
+        <Text type="secondary">Secondary</Text>
+        <Input placeholder="Placeholder" />
+        <Text disabled>Disabled</Text>
+        <Text type="success">Positive</Text>
+        <Text type="warning">Warning</Text>
+        <Text type="danger">Danger</Text>
+        <Link href="https://fbflipper.com/" target="_blank">
+          Link
+        </Link>
+        <Link type="secondary" href="https://fbflipper.com/" target="_blank">
+          Link Secondary
+        </Link>
+      </Space>
+    </Space>
+  );
+}