Refactor frontend to Composition API and improve UI/UX

Major Changes:
- Migrate components from Options API to Composition API with <script setup>
- Add centralized service layer (serviceService, deliveryService, adminService)
- Implement new reusable components (EnhancedButton, EnhancedModal, StatCard, etc.)
- Add theme store for consistent theming across application
- Improve ServiceCalendar with federal holidays and better styling
- Refactor customer profile and tank estimation components
- Update all delivery and payment pages to use centralized services
- Add utility functions for formatting and validation
- Update Dockerfiles for better environment configuration
- Enhance Tailwind config with custom design tokens

UI Improvements:
- Modern, premium design with glassmorphism effects
- Improved form layouts with FloatingInput components
- Better loading states and empty states
- Enhanced modals and tables with consistent styling
- Responsive design improvements across all pages

Technical Improvements:
- Strict TypeScript types throughout
- Better error handling and validation
- Removed deprecated api.js in favor of TypeScript services
- Improved code organization and maintainability

src/layouts/footers/footer.vue

@@ -1,5 +1,5 @@
 <template>
-  <footer class="footer p-10 bg-neutral text-neutral-content mt-20 bg-secondary">
+  <footer class="footer p-10 bg-secondary text-neutral-content">
     <nav>
       <h6 class="footer-title">Social</h6>
       <a class="link link-hover" href="https://www.facebook.com/auburnoil">Facebook</a>
@@ -25,29 +25,17 @@
 </template>
 
 
-<script lang="ts">
-import { defineComponent } from 'vue'
+<script setup lang="ts">
+import { ref } from 'vue';
 
-export default defineComponent({
-  name: 'Footer',
-  data() {
-    return {
-      user: null,
-    }
-  },
-
-  mounted() { },
-  methods: {
-    async copyReviewLink() {
-      try {
-        await navigator.clipboard.writeText('https://g.page/r/CZHnPQ85LsMUEBM/review')
-        alert('Link copied to clipboard!')
-      } catch (err) {
-        console.error('Failed to copy text: ', err)
-        alert('Failed to copy link. Please try again.')
-      }
-    },
-  },
-})
+const copyReviewLink = async () => {
+  try {
+    await navigator.clipboard.writeText('https://g.page/r/CZHnPQ85LsMUEBM/review')
+    alert('Link copied to clipboard!')
+  } catch (err) {
+    console.error('Failed to copy text: ', err)
+    alert('Failed to copy link. Please try again.')
+  }
+};
 </script>
 <style></style>