feat(ui): conditionally display sponsor sections

Added checks to only render Gold and Silver Sponsors sections if there are sponsors available, improving layout clarity and user experience.

Author: Vheissu

themes/aurelia-theme/layouts/blog/single.html

@@ -165,6 +165,7 @@ <h3 class="text-base font-semibold mb-6" style="color: rgb(17, 24, 39)">Comments
           <!-- Sponsors Section -->
           <div>
             <!-- Gold Sponsors -->
+            {{ if gt (len (default slice .Site.Params.sponsors.gold)) 0 }}
             <div class="border-t border-gray-100 lg:border-t-0">
               <h3 class="text-lg font-bold text-center mb-6 text-orange-300">Gold Sponsors</h3>
               <div class="space-y-6">
@@ -183,8 +184,10 @@ <h3 class="text-lg font-bold text-center mb-6 text-orange-300">Gold Sponsors</h3
                 {{ end }}
               </div>
             </div>
+            {{ end }}
 
             <!-- Silver Sponsors -->
+            {{ if gt (len (default slice .Site.Params.sponsors.silver)) 0 }}
             <div class="mt-8">
               <h3 class="text-lg font-bold text-center mb-6 text-gray-400">Silver Sponsors</h3>
               <div class="space-y-6">
@@ -203,6 +206,7 @@ <h3 class="text-lg font-bold text-center mb-6 text-gray-400">Silver Sponsors</h3
                 {{ end }}
               </div>
             </div>
+            {{ end }}
 
             <!-- Sponsor CTA -->
             <div class="mt-8 pt-4 text-center">

themes/aurelia-theme/layouts/index.html

@@ -264,6 +264,7 @@ <h2 class="text-4xl md:text-5xl font-bold mb-4 bg-gradient-to-r from-aurelia to-
     </div>
 
     <!-- Gold Sponsors -->
+    {{ if gt (len (default slice .Site.Params.sponsors.gold)) 0 }}
     <div class="mb-20">
       <h3 class="text-2xl font-bold text-center mb-8">
         <span class="bg-gradient-to-r from-yellow-500 to-yellow-300 bg-clip-text text-transparent">
@@ -291,8 +292,10 @@ <h3 class="text-2xl font-bold text-center mb-8">
         {{ end }}
       </div>
     </div>
+    {{ end }}
 
     <!-- Silver Sponsors -->
+    {{ if gt (len (default slice .Site.Params.sponsors.silver)) 0 }}
     <div class="mb-20">
       <h3 class="text-2xl font-bold text-center mb-8">
         <span class="bg-gradient-to-r from-gray-400 to-gray-300 bg-clip-text text-transparent">
@@ -318,6 +321,7 @@ <h3 class="text-2xl font-bold text-center mb-8">
         {{ end }}
       </div>
     </div>
+    {{ end }}
 
     <!-- Bronze & Wood Sponsors -->
     <div class="flex flex-col gap-12 mb-20">