✨ Added suggestion feature

ProjetProgWeb/navbar.php

@@ -1,11 +1,16 @@
 <header>
     <nav class="navbar">
         <h1>theses.fr</h1>
-        <form action="index.php" method="GET" class="navbar-input">
-            <input type="text" name="author" placeholder="nom auteur">
-            <button>
-                <img src="assets/search.svg" alt="search">
-            </button>
-        </form>
+
+        <div class="research-section">
+            <form action="index.php" method="GET" class="navbar-form">
+                <input type="text" name="author" placeholder="nom auteur" onkeyup="realTimeDisplay()" id="searchbar">
+                <button>
+                    <img src="assets/search.svg" alt="search" id="search-button">
+                </button>
+            </form>
+            <div id="suggestions"></div>
+        </div>
+
     </nav>
 </header>