docs: add placeholder warning to landing page

Signed-off-by: Xe Iaso <me@xeiaso.net>

docs/src/components/HomepageFeatures/index.tsx

@@ -21,7 +21,7 @@ const FeatureList: FeatureItem[] = [
     ),
   },
   {
-    title: "",
+    title: "Lightweight",
     Svg: require("@site/static/img/undraw_docusaurus_tree.svg").default,
     description: (
       <>
@@ -32,7 +32,7 @@ const FeatureList: FeatureItem[] = [
     ),
   },
   {
-    title: "Powered by React",
+    title: "Multi-threaded",
     Svg: require("@site/static/img/undraw_docusaurus_react.svg").default,
     description: (
       <>

docs/src/pages/index.tsx

@@ -37,6 +37,13 @@ export default function Home(): ReactNode {
       <HomepageHeader />
       <main>
         <HomepageFeatures />
+
+        <center>
+          <p>
+            This is all placeholder text. It will be fixed. Give me time. I am
+            one person and my project has unexpectedly gone viral.
+          </p>
+        </center>
       </main>
     </Layout>
   );