Initialize project: set up Quasar framework, configured essential tools (ESLint, Prettier, EditorConfig), integrated Vue Router and Axios, added Leaflet-based map with custom components, and defined project dependencies and configs.

src/pages/ErrorNotFound.vue

@@ -0,0 +1,23 @@
+<template>
+  <div class="fullscreen bg-blue text-white text-center q-pa-md flex flex-center">
+    <div>
+      <div style="font-size: 30vh">404</div>
+
+      <div class="text-h2" style="opacity: 0.4">Oops. Nothing here...</div>
+
+      <q-btn
+        class="q-mt-xl"
+        color="white"
+        text-color="blue"
+        unelevated
+        to="/"
+        label="Go Home"
+        no-caps
+      />
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+//
+</script>