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>
+);