Default to hosted shim server

index.html

@@ -18,7 +18,7 @@
             <label>Timestamps<input id="timestamps" type="checkbox" /></label>
             <input id="stepbwd" type="button" value="&larr;" />
             <input id="stepfwd" type="button" value="&rarr;" />
-            <input id="shimurl" type="text" value="http://localhost:1234" placeholder="Shim URL" />
+            <input id="shimurl" type="text" value="https://tardis.element.dev/" placeholder="Shim URL" />
             <input id="resolve" type="button" value="Resolve State" />
         </div>
         <div id="infocontainer">