feat: Add new banner

components/CssScanBanner.tsx

@@ -0,0 +1,16 @@
+import * as React from 'react';
+
+export const CssScanBanner = () => (
+    <a className="block-cssscan" href="https://gumroad.com/a/719368019" target="_blank">
+        <div className="block-cssscan__inner">
+            <p className="block-cssscan__title">Have you seen CSS Scan?</p>
+            <p className="block-cssscan__desc">The fastest and easiest way to check, copy and edit CSS.</p>
+            <p className="block-cssscan__more">Learn more →</p>
+            <img
+                className="block-cssscan__image"
+                src="https://toastlog.com/img/logos/cssscan.svg"
+                alt="CSS Scan logo"
+            />
+        </div>
+    </a>
+);

components/Follow.tsx

@@ -1,7 +1,8 @@
 import * as React from 'react';
 
 export const Follow = () => (
-    <div className='block-follow'>
-        If you find this site helpful, follow me on <a href="https://twitter.com/nghuuphuoc">Twitter</a> and <a href="https://github.com/phuocng">GitHub</a> to get more useful content like this.
+    <div className="block-follow">
+        If you find this site helpful, follow me on <a href="https://twitter.com/nghuuphuoc">Twitter</a> and{' '}
+        <a href="https://github.com/phuocng">GitHub</a> to get more useful content like this.
     </div>
 );