feat: major API restructure and Vue.js frontend integration

- Centralize API endpoints in dedicated api app with v1 versioning
- Remove individual API modules from parks and rides apps
- Add event tracking system with analytics functionality
- Integrate Vue.js frontend with Tailwind CSS v4 and TypeScript
- Add comprehensive database migrations for event tracking
- Implement user authentication and social provider setup
- Add API schema documentation and serializers
- Configure development environment with shared scripts
- Update project structure for monorepo with frontend/backend separation

frontend/src/components/auth/AuthManager.vue

@@ -0,0 +1,81 @@
+<template>
+  <!-- Login Modal -->
+  <LoginModal
+    :show="showLogin"
+    @close="closeAllModals"
+    @showSignup="switchToSignup"
+    @success="handleAuthSuccess"
+  />
+
+  <!-- Signup Modal -->
+  <SignupModal
+    :show="showSignup"
+    @close="closeAllModals"
+    @showLogin="switchToLogin"
+    @success="handleAuthSuccess"
+  />
+</template>
+
+<script setup lang="ts">
+import { ref, watch, defineProps, defineEmits } from 'vue'
+import LoginModal from './LoginModal.vue'
+import SignupModal from './SignupModal.vue'
+
+interface Props {
+  show?: boolean
+  initialMode?: 'login' | 'signup'
+}
+
+const props = withDefaults(defineProps<Props>(), {
+  show: false,
+  initialMode: 'login',
+})
+
+const emit = defineEmits<{
+  close: []
+  success: []
+}>()
+
+// Initialize reactive state
+const showLogin = ref(false)
+const showSignup = ref(false)
+
+// Define helper functions with explicit function declarations to avoid hoisting issues
+function closeAllModals() {
+  showLogin.value = false
+  showSignup.value = false
+  emit('close')
+}
+
+function switchToLogin() {
+  showSignup.value = false
+  showLogin.value = true
+}
+
+function switchToSignup() {
+  showLogin.value = false
+  showSignup.value = true
+}
+
+function handleAuthSuccess() {
+  closeAllModals()
+  emit('success')
+}
+
+// Watch for prop changes to show the appropriate modal
+watch(
+  () => props.show,
+  (shouldShow) => {
+    if (shouldShow) {
+      if (props.initialMode === 'signup') {
+        switchToSignup()
+      } else {
+        switchToLogin()
+      }
+    } else {
+      closeAllModals()
+    }
+  },
+  { immediate: true },
+)
+</script>