Implement product landing page (#1)

Implements the initial product landing page structure described in Issue #1.

Closes #1

index.html

@@ -0,0 +1,24 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Product</title>
+</head>
+<body>
+    <header>
+        <h1>Product</h1>
+        <p>Product landing page.</p>
+    </header>
+
+    <main>
+        <section>
+            <h2>About the Product</h2>
+            <p>
+                This page provides the initial landing-page structure
+                for the startup's product.
+            </p>
+        </section>
+    </main>
+</body>
+</html>