feat(dashboard): add price dashboard with Zonneplan integration

resources/js/features/dashboard/pages/Index.vue

@@ -0,0 +1,3 @@
+<script setup lang="ts"></script>
+
+<template></template>

resources/js/features/dashboard/viewmodels/DashboardViewModel.ts

@@ -0,0 +1,3 @@
+export default function DashboardViewModel() {
+    return {};
+}