Add support for full-text search (#7)

src/app/home/home.page.html

@@ -9,8 +9,11 @@
 </ion-toolbar>
 
 
-<ion-grid style="height: 100%; justify-content: center; display: flex; font-size: 24pt; color: #ccc;">
+<ion-grid style="height: 100%; justify-content: center; display: flex; flex-direction: column; font-size: 24pt; color: #ccc;">
   <ion-row align-items-center>
     <ion-col>Hi, there! Select or create a page to get started.</ion-col>
   </ion-row>
-</ion-grid>
+  <ion-row align-items-center style="margin-top: 30px;">
+    <ion-col>(You can press <code>Ctrl</code> + <code>/</code> to search everywhere.)</ion-col>
+  </ion-row>
+</ion-grid>