better gui

frontend/src/lib/common/autogrow.js

@@ -0,0 +1,18 @@
+import { tick } from "svelte";
+
+export function autoGrow(node) {
+  function resize() {
+    node.style.height = "auto";
+    node.style.height = node.scrollHeight + "px";
+  }
+  
+  // wait until DOM updates to apply initial value
+  tick().then(resize);
+  node.addEventListener("input", resize);
+
+  return {
+    destroy() {
+      node.removeEventListener("input", resize);
+    }
+  };
+}