add Source link to menu

output/bushel-and-berry-strawberries.html

@@ -55,6 +55,9 @@
         <li class="pure-menu-item">
           <a href="/feeds/lmnw.all.rss.xml" class="pure-menu-link">RSS</a>
         </li>
+        <li class="pure-menu-item">
+          <a href="https://git.boringonian.com/trent/lmnwest" class="pure-menu-link">Source</a>
+        </li>
         <li class="pure-menu-item">
           <a href="/search" class="pure-menu-link">Search</a>
         </li>