Improve VSCode support

theseus_gui/src/components/VerticalNav.svelte

@@ -1,12 +1,12 @@
 <script lang="ts">
-    import { SvelteComponent } from 'svelte'
     import { page } from "$app/stores";
 
     export let items: {
         label: string,
         /** Page href, without slash prefix */
         href: string,
-        icon: SvelteComponent
+        /** An icon, as a svelte component */
+        icon: any, // `SvelteComponentDev` has type errors
     }[];
 
     /** Path level in URL, zero-indexed */

theseus_gui/src/routes/index.svelte

@@ -1,5 +1,4 @@
 <script lang="ts">
-
 import Instance from "$components/Instance.svelte";
 import CardRow from "$components/CardRow.svelte";
 </script>

theseus_gui/src/routes/library/instance/[id]/settings.svelte

@@ -1,7 +1,3 @@
-<script context="module" lang="ts">
-
-</script>
-
 <script lang="ts">
     import { Checkbox, FormField, TextInput, Button } from "omorphia"
     import GlobalSettings from "$components/GlobalSettings.svelte"
@@ -17,4 +13,31 @@
 </div>
 
 <style lang="postcss">
+    .section {
+        display: flex;
+        flex-direction: column;
+        padding: 1rem;
+        grid-gap: 1rem;
+
+        &__title {
+            display: flex;
+            grid-gap: 1rem;
+            align-items: center;
+
+            &::after {
+                flex: 1 1;
+                content: " ";
+                background-color: hsla(0, 0%, 100%, 0.2);
+                height: 0.2rem;
+                border-radius: var(--rounded-max);
+            }
+        }
+
+        &__items {
+            display: flex;
+            flex-direction: column;
+            grid-gap: 1rem;
+            padding: 0 8px;
+        }
+    }
 </style>