fix: added ErrorPage component

frontend/src/components/ErrorPage.vue

@@ -0,0 +1,24 @@
+<template>
+  <div
+    class="grid h-full place-items-center px-4 py-20 text-center text-lg text-ink-gray-5"
+  >
+    <div class="flex flex-col justify-between items-center gap-3">
+      <FeatherIcon name="x-octagon" class="h-12 w-12 text-ink-red-3" />
+      <div class="text-2xl font-semibold">{{ errorTitle }}</div>
+      <div v-html="errorMessage" />
+    </div>
+  </div>
+</template>
+
+<script setup>
+const props = defineProps({
+  errorTitle: {
+    type: String,
+    required: true,
+  },
+  errorMessage: {
+    type: String,
+    required: true,
+  },
+})
+</script>