Remove graph component from Quartz to fix browser crash

Add custom quartz.layout.ts overriding the default layout to remove
Component.Graph(), the D3 force-directed graph known to crash browsers
on large note sets.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

quartz/quartz.layout.ts

@@ -0,0 +1,46 @@
+import { PageLayout, SharedLayout } from "./quartz/cfg"
+import * as Component from "./quartz/components"
+
+// components shared across all pages
+export const sharedLayout: SharedLayout = {
+  head: Component.Head(),
+  header: [],
+  afterBody: [],
+  footer: Component.Footer({
+    links: {},
+  }),
+}
+
+// components for pages that display a single page (e.g. a single note)
+export const defaultContentPageLayout: PageLayout = {
+  beforeBody: [
+    Component.Breadcrumbs(),
+    Component.ArticleTitle(),
+    Component.ContentMeta(),
+    Component.TagList(),
+  ],
+  left: [
+    Component.PageTitle(),
+    Component.MobileOnly(Component.Spacer()),
+    Component.Search(),
+    Component.Darkmode(),
+    Component.DesktopOnly(Component.Explorer()),
+  ],
+  right: [
+    Component.DesktopOnly(Component.TableOfContents()),
+    Component.Backlinks(),
+  ],
+}
+
+// components for pages that display lists of pages (e.g. tags or folders)
+export const defaultListPageLayout: PageLayout = {
+  beforeBody: [Component.Breadcrumbs(), Component.ArticleTitle(), Component.ContentMeta()],
+  left: [
+    Component.PageTitle(),
+    Component.MobileOnly(Component.Spacer()),
+    Component.Search(),
+    Component.Darkmode(),
+    Component.DesktopOnly(Component.Explorer()),
+  ],
+  right: [],
+}