Add analytics dashboard view and API integration

- Add AnalyticsView.vue for real-time API analytics - Update router to
include /analytics route - Add Analytics link to BottomNav - Improve
MetricCard layout for dashboard consistency - Update main.ts to
initialize global auth store - Add Dockerfile and .env for
containerization and config - Update README with complete API and
architecture overview - Disable Tailwind in main.scss for SCSS-only
styling

src/components/cards/MetricCard.vue

@@ -1,5 +1,5 @@
 <template>
-  <div class="bg-white rounded-2xl shadow-sm flex flex-col justify-between aspect-square p-4">
+  <div class="bg-white rounded-2xl shadow-sm flex flex-col justify-between h-full w-full p-4">
     <h6 class="text-sm font-bold text-gray-500">{{ title }}</h6>
     <div class="flex-grow flex items-center justify-start">
       <p class="text-gray-900 font-bold text-2xl">