fix(ui): update wedding details and add new pages

* change RSVP deadline and venue details
* add venue and wedding party pages with relevant information
* enhance layout with additional meta descriptions and links

ui/src/routes/+page.svelte

@@ -13,8 +13,12 @@
   <PhotoBackground />
 
   <div
-    class="border-surface-50/70 relative z-10 flex max-w-xl flex-col items-center gap-6 border px-6 py-12 sm:px-14 sm:py-16"
+    class="border-surface-50/70 text-shadow-sm text-shadow-black/60 relative z-10 flex max-w-xl flex-col items-center gap-6 border px-6 py-12 sm:px-14 sm:py-16"
   >
+    <p class="text-secondary-300 font-serif text-2xl italic">
+      "Every love story is beautiful, but ours is my favourite."
+    </p>
+
     <h1 class="text-surface-50 font-malibu text-6xl sm:text-8xl">
       Zoé &amp; Shaldon
     </h1>
@@ -34,7 +38,22 @@
       <p class="text-surface-100 text-2xl">{wedding.venueAddress}</p>
     </div>
 
-    <div class="mt-6 flex flex-wrap items-center justify-center gap-4">
+    <div class="flex flex-col gap-4 text-center">
+      <p class="text-surface-100 text-xl">
+        Welcome to our wedding website! We are so excited to celebrate our
+        love with our favourite people. As our forever begins, we want to
+        thank you for your love and support.
+      </p>
+      <p class="text-surface-100 text-xl">
+        Browse the menu above to find venue directions, dress code details,
+        and RSVP information.
+      </p>
+      <p class="text-surface-100 text-xl">
+        We can't wait to see you on {formatFullDate(wedding.date)}, {wedding.ceremonyTime}!
+      </p>
+    </div>
+
+    <div class="mt-2 flex flex-wrap items-center justify-center gap-4">
       {#if !rsvpStatus.submitted}
         <a href="/rsvp" class="btn preset-filled-secondary-500 text-2xl">RSVP</a
         >
@@ -44,6 +63,12 @@
       <a href="/photos" class="btn preset-filled-primary-500 text-2xl"
         >Share photos</a
       >
+      <a href="/details" class="btn preset-tonal-secondary text-2xl">Details</a
+      >
     </div>
+
+    <p class="text-surface-200 font-serif text-2xl">
+      With love,<br />Zoé &amp; Shaldon
+    </p>
   </div>
 </section>