Initial commit: site code, layouts, content (images added separately)

Fixes duplicate placeholder cover image on the 3 newest blog posts,
broken aspect-ratio classes on the albums listing page, and a
non-responsive fixed sidebar on the chat page.

layouts/_default/single.html

@@ -0,0 +1,13 @@
+{{ define "main" }}
+<div class="bg-gray-900 py-16 px-4 sm:px-6 lg:px-8">
+    <article class="max-w-3xl mx-auto prose prose-emerald prose-lg prose-invert">
+        <h1 class="text-4xl font-extrabold text-gray-100 tracking-tight sm:text-5xl mb-8">{{ .Title }}</h1>
+        <div class="text-gray-400 mb-10">
+            {{ if .Date }}Published on {{ .Date.Format "January 2, 2006" }}{{ end }}
+        </div>
+        <div class="mt-6">
+            {{ .Content }}
+        </div>
+    </article>
+</div>
+{{ end }}