Clean up code and enable strict TS

index.html

@@ -22,10 +22,9 @@
     <meta property="og:image:width" content="1920" />
     <meta property="og:image:height" content="1920" />
 
-    <link rel="icon" href="/favicon.ico" type="image/x-icon" />
-    <link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png" />
-    <link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png" />
-    <link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png" />
+    <link rel="icon" type="image/svg+xml" href="/favicon.svg" />
+    <link rel="apple-touch-icon" href="/favicon.svg" />
+    <link rel="manifest" href="/manifest.webmanifest" />
 
     <title>Just a bunch of blobs</title>
   </head>
@@ -51,9 +50,21 @@
         <section>
           <h1>Just a bunch of blobs</h1>
           <p>
-            Lorem ipsum dolor sit amet consectetur adipisicing elit. Eaque itaque
-            perspiciatis nesciunt, molestiae officiis dignissimos porro! Provident totam
-            sit enim, dolores dicta possimus ex assumenda earum, ea tempore, aut quidem?
+            A million autonomous agents wander a 2D field. Each one lays down a faint
+            trail and follows trails it senses ahead. Two generations are competing for
+            territory: the older one fades, the newer one spreads.
+          </p>
+          <p>
+            Drag your finger or mouse anywhere on the canvas to paint a wall. Walls slow
+            the new generation down and let the old one breathe a little longer. Open
+            <em>Settings</em> to retune sensors, decay rates and aggression.
+          </p>
+          <p>
+            Runs entirely on your GPU via WebGPU compute shaders &mdash; no servers, no
+            tracking, no analytics. Source on
+            <a href="https://github.com/schmelczer/webgpu" target="_blank" rel="noopener"
+              >GitHub</a
+            >.
           </p>
         </section>
       </main>