docs: Use smaller title on mobile (#1928)

docs/src/css/custom.css

@@ -84,3 +84,9 @@ a:hover {
 .theme-code-block {
   display: flow-root;
 }
+
+@media (max-width: 600px) {
+  .hero__title {
+    font-size: 2.5rem;
+  }
+}

docs/src/pages/index.js

@@ -58,7 +58,7 @@ function Home() {
   return (
     <Layout
       title="VisionCamera Documentation"
-      description="📸 The Camera library that sees the vision.">
+      description="📸 A powerful, high-performance React Native Camera library.">
       <header className={clsx('hero hero--primary', styles.heroBanner)}>
         <div className="container">
           <h1 className="hero__title">{siteConfig.title}</h1>