fix: Layout and theme

layouts/posts/list.html

@@ -0,0 +1,24 @@
+{{- define "main" }}
+
+<header class="page-header">
+  <h1>{{ .Title }}</h1>
+  {{- if .Description }}
+  <div class="post-description">{{ .Description }}</div>
+  {{- end }}
+</header>
+
+<ul class="posts-list">
+  {{- range .Pages }}
+  <li class="post-item">
+    <a href="{{ .Permalink }}">
+      <span class="post-title"># {{ .Title }}</span>
+      <span class="post-date">{{ .Date.Format "Jan 2, 2006" }}</span>
+    </a>
+    {{- if .Summary }}
+    <p class="post-summary">{{ .Summary | plainify | truncate 150 }}</p>
+    {{- end }}
+  </li>
+  {{- end }}
+</ul>
+
+{{- end }}{{/* end main */}}