fix(apps): rename 'Websites' tab to 'Services' (#51)

Headless containers (databases, APIs, backends without a UI) belong in a
tab labelled 'Services', not 'Websites'. The categorisation logic already
routes UI-less packages there (built under #45); this finishes the rename
of the user-facing label across Apps, Marketplace, Discover and the mobile
nav, and makes 'services' the canonical tab state/query param. Old
?tab=websites bookmarks still resolve (back-compat acceptor kept).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

neode-ui/src/views/dashboard/DashboardMobileNav.vue

@@ -19,11 +19,11 @@
         :class="{ 'mode-switcher-btn-active': route.path === '/dashboard/marketplace' || route.path.startsWith('/dashboard/marketplace/') || route.path === '/dashboard/discover' }"
       >App Store</RouterLink>
       <RouterLink
-        to="/dashboard/apps?tab=websites"
+        to="/dashboard/apps?tab=services"
         class="mode-switcher-btn"
         :class="{ 'mode-switcher-btn-active': route.query.tab === 'services' || route.query.tab === 'websites' }"
-        @click.prevent="router.push({ path: '/dashboard/apps', query: { tab: 'websites' } })"
-      >Websites</RouterLink>
+        @click.prevent="router.push({ path: '/dashboard/apps', query: { tab: 'services' } })"
+      >Services</RouterLink>
     </div>
   </div>