fix: update layout and import Chirpy template files

_includes/pageviews/goatcounter.html

@@ -0,0 +1,19 @@
+<!-- Display GoatCounter pageviews -->
+<script>
+  let pv = document.getElementById('pageviews');
+
+  if (pv !== null) {
+    const uri = location.pathname.replace(/\/$/, '');
+    const url = `https://{{ site.analytics.goatcounter.id }}.goatcounter.com/counter/${encodeURIComponent(uri)}.json`;
+
+    fetch(url)
+      .then((response) => response.json())
+      .then((data) => {
+        const count = data.count.replace(/\s/g, '');
+        pv.innerText = new Intl.NumberFormat().format(count);
+      })
+      .catch((error) => {
+        pv.innerText = '1';
+      });
+  }
+</script>