Added border to author image

*As the title
Overwrote header.html partial to add a border to the main author image

layouts/partials/header.html

@@ -0,0 +1,28 @@
+<div class="mb-2 mt-20 flex flex-col items-center justify-center">
+    {{/* Add image and site title */}}
+    {{ $image := resources.GetMatch .Site.Params.Author.image }}
+    {{ $name := .Site.Params.Author.name }}
+    {{ $icon := .Site.Params.Author.icon }}
+    {{ with $image }}
+      {{ $image = $image.Filter (images.Process "resize 288x288 webp" ) }}
+      <div class="relative w-48">
+        <img class="mb-2 h-48 w-48 rounded-full border-2 border-solid border-slate-400 dark:border-slate-50" width="192" height="192" alt="{{ $name | default "Author" }}" src="{{ $image.RelPermalink }}" />
+        {{ with $icon }}
+          <div class="absolute bottom-4 right-0 flex h-10 w-10 items-center justify-center rounded-full border-2 border-solid border-slate-50 bg-neutral-300 dark:bg-neutral-500">
+            {{ . | emojify }}
+          </div>
+        {{ end }}
+      </div>
+    {{ end }}
+
+
+    <h1 class="text-center text-4xl font-extrabold text-slate-500 dark:text-slate-200">
+      {{ .Site.Title | markdownify | emojify }}
+    </h1>
+
+    {{ with .Site.Params.Author.greeting }}
+      <h2 class="mt-4 text-center text-xl text-slate-700 dark:text-slate-400">
+        {{ . | markdownify | emojify }}
+      </h2>
+    {{ end }}
+  </div>