add footer with bitcoin svg

src/App.vue

@@ -1,13 +1,15 @@
 <script setup lang="ts">
 import Navbar from './components/layout/Navbar.vue'
+import Footer from './components/layout/Footer.vue'
 </script>
 
 <template>
-  <div class="min-h-screen bg-background">
+  <div class="min-h-screen flex flex-col bg-background">
     <Navbar />
-    <main>
+    <main class="flex-1">
       <router-view></router-view>
     </main>
+    <Footer />
   </div>
 </template>