Add initial project structure with backend and frontend setup

- Created backend structure with Go, including main application logic and API endpoints.
- Added Docker support for both development and production environments.
- Introduced frontend using Nuxt 3 with Tailwind CSS for styling.
- Included configuration files for Docker and environment variables.
- Established basic documentation for contributing, development, and deployment processes.
- Set up .gitignore and .dockerignore files to manage ignored files in the repository.

frontend-nuxt/app.vue

@@ -0,0 +1,14 @@
+<template>
+  <NuxtLayout>
+    <NuxtPage />
+  </NuxtLayout>
+</template>
+
+<script setup lang="ts">
+// Global error handling: on API auth failure, redirect to login
+const { onApiError } = useMapApi()
+const { fullUrl } = useAppPaths()
+onApiError(() => {
+  if (import.meta.client) window.location.href = fullUrl('/login')
+})
+</script>