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/admin/maps/[id].vue

@@ -0,0 +1,77 @@
+<template>
+  <div class="container mx-auto p-4 max-w-lg">
+    <h1 class="text-2xl font-bold mb-6">Edit map {{ id }}</h1>
+
+    <form v-if="map" @submit.prevent="submit" class="flex flex-col gap-4">
+      <div class="form-control">
+        <label class="label" for="name">Name</label>
+        <input id="name" v-model="form.name" type="text" class="input input-bordered" required />
+      </div>
+      <div class="form-control">
+        <label class="label cursor-pointer gap-2">
+          <input v-model="form.hidden" type="checkbox" class="checkbox" />
+          <span class="label-text">Hidden</span>
+        </label>
+      </div>
+      <div class="form-control">
+        <label class="label cursor-pointer gap-2">
+          <input v-model="form.priority" type="checkbox" class="checkbox" />
+          <span class="label-text">Priority</span>
+        </label>
+      </div>
+      <p v-if="error" class="text-error text-sm">{{ error }}</p>
+      <div class="flex gap-2">
+        <button type="submit" class="btn btn-primary" :disabled="loading">{{ loading ? '…' : 'Save' }}</button>
+        <NuxtLink to="/admin" class="btn btn-ghost">Back</NuxtLink>
+      </div>
+    </form>
+    <template v-else-if="mapsLoaded">
+      <p class="text-base-content/70">Map not found.</p>
+      <NuxtLink to="/admin" class="btn btn-ghost mt-2">Back to Admin</NuxtLink>
+    </template>
+    <p v-else class="text-base-content/70">Loading…</p>
+  </div>
+</template>
+
+<script setup lang="ts">
+definePageMeta({ middleware: 'admin' })
+
+const route = useRoute()
+const router = useRouter()
+const api = useMapApi()
+const id = computed(() => parseInt(route.params.id as string, 10))
+const map = ref<{ ID: number; Name: string; Hidden: boolean; Priority: boolean } | null>(null)
+const mapsLoaded = ref(false)
+const form = ref({ name: '', hidden: false, priority: false })
+const loading = ref(false)
+const error = ref('')
+
+onMounted(async () => {
+  try {
+    const maps = await api.adminMaps()
+    mapsLoaded.value = true
+    const found = maps.find((m) => m.ID === id.value)
+    if (found) {
+      map.value = found
+      form.value = { name: found.Name, hidden: found.Hidden, priority: found.Priority }
+    }
+  } catch {
+    mapsLoaded.value = true
+    error.value = 'Failed to load map'
+  }
+})
+
+async function submit() {
+  if (!map.value) return
+  error.value = ''
+  loading.value = true
+  try {
+    await api.adminMapPost(map.value.ID, form.value)
+    await router.push('/admin')
+  } catch (e: unknown) {
+    error.value = e instanceof Error ? e.message : 'Failed'
+  } finally {
+    loading.value = false
+  }
+}
+</script>