add the login buttons

client/src/pages/index.vue

@@ -13,4 +13,12 @@
     <router-link to="/users" custom v-slot="{ navigate }">
         <button @click="navigate" role="link">Users</button>
     </router-link>
+
+    <router-link :to="/register" custom v-slot="{ navigate }"> <!-- TODO: only if token == invalid -->
+        <button @click="navigate" role="link">Register</button>
+    </router-link>
+
+    <router-link :to="/login" custom v-slot="{ navigate }"> <!-- TODO: only if token == invalid -->
+        <button @click="navigate" role="link">Login</button>
+    </router-link>
 </template>