add a route

frontend/src/routes/Thing.svelte

@@ -0,0 +1,26 @@
+<script lang="ts">
+  import { GetThings } from "../../wailsjs/go/things/Service";
+  import { model } from "../../wailsjs/go/models";
+  import { onMount } from "svelte";
+  import { Heading } from "flowbite-svelte";
+
+  let { thingID }: { thingID: number } = $props();
+  let thing: model.Thing = $state(new model.Thing());
+
+  function update() {
+    GetThings().then((ts) => {
+      ts.forEach((t) => {
+        if (t.ID === thingID) {
+          thing = t;
+        }
+      });
+    });
+  }
+  onMount(update);
+</script>
+
+<div class="m-5">
+  <Heading>
+    {thing.Name}
+  </Heading>
+</div>