add openring "webring" bit

openring.html

@@ -0,0 +1,16 @@
+<h3>From other blogs</h3>
+<section class="atl">
+    {{range .Articles}}
+    <div class="art">
+        <h4>
+            <a href="{{.Link}}" target="_blank" rel="noopener">{{.Title}}</a>
+        </h4>
+        <p class="sum">{{.Summary}}</p>
+        <small class="src">
+            via <a href="{{.SourceLink}}">{{.SourceTitle}}</a>
+        </small>
+        <small class="dat">{{.Date | datef "02/01/2006"}}</small>
+    </div>
+    {{end}}
+</section>
+<p class="atr">Generated by <a href="https://git.sr.ht/~sircmpwn/openring">openring</a></p>