feat: add page titles to recipe and glaube routes

- Add titles to category, tag, icon, season routes
- Add bilingual support (German/English) for recipe route titles
- Use consistent "Bocken Recipes" / "Bocken Rezepte" branding
- Change English tagline from "Bocken's Recipes" to "Bocken Recipes"
- Add titles to /glaube and /glaube/gebete pages
- Make tips-and-tricks page language-aware

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

@@ -14,6 +14,10 @@
     const months = $derived(isEnglish
         ? ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"]
         : ["Januar", "Februar", "März", "April", "Mai", "Juni", "Juli", "August", "September", "Oktober", "November", "Dezember"]);
+    const labels = $derived({
+        title: isEnglish ? 'In Season' : 'Saisonal',
+        siteTitle: isEnglish ? 'Bocken Recipes' : 'Bocken Rezepte'
+    });
 
     // Search state
     let matchedRecipeIds = $state(new Set());
@@ -34,6 +38,10 @@
     });
 </script>
 
+<svelte:head>
+    <title>{labels.title} - {labels.siteTitle}</title>
+</svelte:head>
+
 <SeasonLayout active_index={current_month-1} {months} routePrefix="/{data.recipeLang}" lang={data.lang} recipes={data.season} isLoggedIn={!!data.session?.user} onSearchResults={handleSearchResults}>
 	{#snippet recipesSlot()}
 		<Recipes>