Add counter example; fix configuration

examples/accident-counter/styles.css

@@ -0,0 +1,13 @@
+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+@layer base {
+  body {
+    @apply bg-slate-300;
+  }
+
+  button {
+    @apply bg-cyan-600 text-white cursor-pointer inline-flex items-center justify-center transition duration-100 ease-in-out px-4 py-2.5 hover:bg-cyan-700 active:bg-cyan-800 rounded-md disabled:bg-slate-200/50 disabled:cursor-not-allowed disabled:text-cyan-600;
+  }
+}