Resolve "fix: add title on features"

Closes #36 (closed)

src/components/HomepageFeatures.js

@@ -64,6 +64,7 @@ export default function HomepageFeatures() {
   return (
     <section className="sections">
       <div id="features">
+        <h2 id="features" className={clsx("text--center text--uppercase", styles.title)}>Fonctionnalités</h2>
         {FeatureList.map((props, idx) => (
           <Feature key={idx} {...props} />
         ))}