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/pages/character/[characterId].vue

@@ -0,0 +1,12 @@
+<template>
+  <div class="h-full min-h-0">
+    <MapPageWrapper>
+      <MapView :character-id="characterId" />
+    </MapPageWrapper>
+  </div>
+</template>
+
+<script setup lang="ts">
+const route = useRoute()
+const characterId = computed(() => Number(route.params.characterId) || -1)
+</script>