Add search publication page and fix category access

frontend/src/app/components/side-menu/side-menu.component.html

@@ -9,6 +9,6 @@
         </button>
     </h1>
     <h2>Catégories</h2>
-    <app-categories-menu></app-categories-menu>
+    <app-categories-menu (categoryClicked)="close()"></app-categories-menu>
 </div>
 <div class="overlay {{ isOpenned ? 'displayed' : ''}}" (click)="close()"></div>