add route matcher to fix /login and /logout routes

Use SvelteKit param matcher to constrain [recipeLang] to only match
'recipes' or 'rezepte', preventing it from catching /login, /logout,
and other non-recipe routes.

src/routes/[recipeLang=recipeLang]/search/+page.svelte

@@ -0,0 +1,97 @@
+<script lang="ts">
+    import type { PageData } from './$types';
+    import Recipes from '$lib/components/Recipes.svelte';
+    import Search from '$lib/components/Search.svelte';
+    import Card from '$lib/components/Card.svelte';
+    let { data }: { data: PageData } = $props();
+    let current_month = new Date().getMonth() + 1;
+
+    const isEnglish = $derived(data.lang === 'en');
+    const labels = $derived({
+        title: isEnglish ? 'Search Results' : 'Suchergebnisse',
+        pageTitle: isEnglish
+            ? `Search Results${data.query ? ` for "${data.query}"` : ''} - Bocken Recipes`
+            : `Suchergebnisse${data.query ? ` für "${data.query}"` : ''} - Bocken Rezepte`,
+        metaDescription: isEnglish
+            ? 'Search results in Bocken\'s recipes.'
+            : 'Suchergebnisse in den Bockenschen Rezepten.',
+        filteredBy: isEnglish ? 'Filtered by:' : 'Gefiltert nach:',
+        category: isEnglish ? 'Category' : 'Kategorie',
+        keyword: isEnglish ? 'Keyword' : 'Stichwort',
+        icon: 'Icon',
+        season: isEnglish ? 'Season' : 'Saison',
+        favoritesOnly: isEnglish ? 'Favorites only' : 'Nur Favoriten',
+        searchError: isEnglish ? 'Search error:' : 'Fehler bei der Suche:',
+        resultsFor: isEnglish ? 'results for' : 'Ergebnisse für',
+        noResults: isEnglish ? 'No recipes found.' : 'Keine Rezepte gefunden.',
+        tryOther: isEnglish ? 'Try different search terms.' : 'Versuche es mit anderen Suchbegriffen.'
+    });
+</script>
+
+<style>
+    h1 {
+        text-align: center;
+        font-size: 3em;
+    }
+    .search-info {
+        text-align: center;
+        margin-bottom: 2rem;
+        color: var(--nord3);
+    }
+    .filter-info {
+        text-align: center;
+        margin-bottom: 1rem;
+        font-size: 0.9em;
+        color: var(--nord2);
+    }
+</style>
+
+<svelte:head>
+    <title>{labels.pageTitle}</title>
+    <meta name="description" content={labels.metaDescription} />
+</svelte:head>
+
+<h1>{labels.title}</h1>
+
+{#if data.filters.category || data.filters.tag || data.filters.icon || data.filters.season || data.filters.favoritesOnly}
+    <div class="filter-info">
+        {labels.filteredBy}
+        {#if data.filters.category}{labels.category} "{data.filters.category}"{/if}
+        {#if data.filters.tag}{labels.keyword} "{data.filters.tag}"{/if}
+        {#if data.filters.icon}{labels.icon} "{data.filters.icon}"{/if}
+        {#if data.filters.season}{labels.season} "{data.filters.season}"{/if}
+        {#if data.filters.favoritesOnly}{labels.favoritesOnly}{/if}
+    </div>
+{/if}
+
+<Search
+    category={data.filters.category}
+    tag={data.filters.tag}
+    icon={data.filters.icon}
+    season={data.filters.season}
+    favoritesOnly={data.filters.favoritesOnly}
+    lang={data.lang}
+/>
+
+{#if data.error}
+    <div class="search-info">
+        <p>{labels.searchError} {data.error}</p>
+    </div>
+{:else if data.query}
+    <div class="search-info">
+        <p>{data.results.length} {labels.resultsFor} "{data.query}"</p>
+    </div>
+{/if}
+
+{#if data.results.length > 0}
+    <Recipes>
+        {#each data.results as recipe}
+            <Card {recipe} {current_month} isFavorite={recipe.isFavorite} showFavoriteIndicator={true} routePrefix="/{data.recipeLang}"></Card>
+        {/each}
+    </Recipes>
+{:else if data.query && !data.error}
+    <div class="search-info">
+        <p>{labels.noResults}</p>
+        <p>{labels.tryOther}</p>
+    </div>
+{/if}