Update publications.html

Author: suan12

publications.html

@@ -39,6 +39,12 @@
     <div class="container">
 
       <section id="publications">
+    <div class="year-filter">
+      <button onclick="filterPublications('all')" class="active">All</button>
+      <button onclick="filterPublications('2025')">2025</button>
+      <button onclick="filterPublications('2024')">2024</button>
+      <button onclick="filterPublications('2023')">2023</button>
+    </div>
         <div class="publication">
           <ol reversed>
             <li>