Second commit

added few test, first api to add book

front/src/App.vue

@@ -1,6 +1,6 @@
 <script setup>
-      import BooksBrowser from './BooksBrowser.vue'
       import AppNavBar from './AppNavBar.vue'
+      import { RouterView } from 'vue-router'
 </script>
 
 <template>
@@ -8,7 +8,7 @@
     <AppNavBar/>
   </header>
   <main class="section">
-    <BooksBrowser/>
+    <RouterView />
   </main>
 </template>