feat(website): add Nuxt 4 marketing landing page

New standalone apps/website (Nuxt 4) serving the public marketing site at
dezky.local / www.dezky.local. The customer portal moves off the root domain
to app.dezky.local only.

Landing page ported from the Dezky design handoff: light theme, Danish
default, hero variant A, with a working da/en toggle. Self-contained colour
system threaded through components (utils/landingTokens.ts), full bilingual
copy (utils/landingCopy.ts), and shared state (composables/useLanding.ts).
Sections live under components/landing/* with the Node logo under
components/brand/*.

Wired into docker-compose (website service, volume, Traefik labels, network
aliases) and bootstrap.sh (hosts list + service URLs).

apps/website/components/brand/NodeLockup.vue

@@ -0,0 +1,29 @@
+<script setup lang="ts">
+// Node mark + "dezky" wordmark (JetBrains Mono, tracked tight). Ported from
+// logos.jsx NodeLockup + NodeWordmark.
+import { C } from '~/utils/landingTokens'
+
+const props = withDefaults(defineProps<{
+  scale?: number
+  fg?: string
+  accent?: string
+}>(), {
+  scale: 1,
+  fg: C.carbon,
+  accent: C.signal,
+})
+</script>
+
+<template>
+  <div :style="{ display: 'flex', alignItems: 'center', gap: `${18 * scale}px` }">
+    <BrandNodeMark :size="72 * scale" :fg="fg" :accent="accent" />
+    <span :style="{
+      fontFamily: '\'JetBrains Mono\', \'IBM Plex Mono\', ui-monospace, monospace',
+      fontWeight: 600,
+      fontSize: `${56 * scale * 0.78}px`,
+      letterSpacing: '-0.04em',
+      color: fg,
+      lineHeight: 0.9,
+    }">dezky</span>
+  </div>
+</template>