Add admin page

web/src/pages/Admin.vue

@@ -0,0 +1,17 @@
+<script lang="ts">
+import { defineComponent } from "vue";
+
+export default defineComponent({
+    mounted() {
+        document.title = "Budgeteer - Admin";
+    },
+})
+</script>
+
+<template>
+    <h1>Danger Zone</h1>
+    <div class="budget-item">
+        <button>Clear database</button>
+        <p>This removes all data and starts from scratch. Not undoable!</p>
+    </div>
+</template>