ajout taille maximale message

WEB-INF/vue/chat.jsp

@@ -126,7 +126,7 @@
                         <a class="input-group-text link-primary" href="thread?action=open&id=<%=id %>">
                             <i class="bi-arrow-clockwise"></i>
                         </a>
-                        <input name="message" class="form-control" placeholder="Entrez votre message ici." required>
+                        <input name="message" class="form-control" placeholder="Entrez votre message ici." maxlength=1024 required>
                         <input type="submit" class="input-group-text" value="Envoyer">
                     </form>
                 </div>