fix: add fitness sub-pages to mobile More sheet

Food Library, Fitness Goals, and Quick Meals now accessible
from the mobile bottom tab bar's More menu.

frontend-v2/src/lib/components/layout/MobileTabBar.svelte

@@ -1,6 +1,6 @@
 <script lang="ts">
 	import { page } from '$app/state';
-	import { LayoutDashboard, DollarSign, Package, Activity, MoreVertical, MapPin, BookOpen, Library, Settings } from '@lucide/svelte';
+	import { LayoutDashboard, DollarSign, Package, Activity, MoreVertical, MapPin, BookOpen, Library, Settings, Target, UtensilsCrossed, Zap } from '@lucide/svelte';
 
 	interface Props {
 		visibleApps?: string[];
@@ -66,6 +66,20 @@
 					Trips
 				</a>
 			{/if}
+			{#if showApp('fitness')}
+				<a href="/fitness/foods" class="more-sheet-item" onclick={closeMore}>
+					<UtensilsCrossed size={20} />
+					Food Library
+				</a>
+				<a href="/fitness/goals" class="more-sheet-item" onclick={closeMore}>
+					<Target size={20} />
+					Fitness Goals
+				</a>
+				<a href="/fitness/templates" class="more-sheet-item" onclick={closeMore}>
+					<Zap size={20} />
+					Quick Meals
+				</a>
+			{/if}
 			{#if showApp('reader')}
 				<a href="/reader" class="more-sheet-item" onclick={closeMore}>
 					<BookOpen size={20} />