feat: 初始化项目结构与核心功能

引入项目基础目录结构，包含多语言支持、主要页面与组件、核心游戏逻辑、UI 组件库、加密与本地持久化、自动化 Docker 构建流程、GitHub issue 模板（中英文）、README（中英文）、LICENSE 及开发配置文件。实现 OGame 单机版主要功能模块，为后续开发和扩展奠定基础。

src/components/ui/badge/Badge.vue

@@ -0,0 +1,24 @@
+<template>
+  <Primitive data-slot="badge" :class="cn(badgeVariants({ variant }), props.class)" v-bind="delegatedProps">
+    <slot />
+  </Primitive>
+</template>
+
+<script setup lang="ts">
+  import type { PrimitiveProps } from 'reka-ui'
+  import type { HTMLAttributes } from 'vue'
+  import type { BadgeVariants } from '.'
+  import { reactiveOmit } from '@vueuse/core'
+  import { Primitive } from 'reka-ui'
+  import { cn } from '@/lib/utils'
+  import { badgeVariants } from '.'
+
+  const props = defineProps<
+    PrimitiveProps & {
+      variant?: BadgeVariants['variant']
+      class?: HTMLAttributes['class']
+    }
+  >()
+
+  const delegatedProps = reactiveOmit(props, 'class')
+</script>

src/components/ui/badge/index.ts

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+import type { VariantProps } from 'class-variance-authority'
+import { cva } from 'class-variance-authority'
+
+export { default as Badge } from './Badge.vue'
+
+export const badgeVariants = cva(
+  'inline-flex items-center justify-center rounded-full border px-2 py-0.5 text-xs font-medium w-fit whitespace-nowrap shrink-0 [&>svg]:size-3 gap-1 [&>svg]:pointer-events-none focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-[3px] aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive transition-[color,box-shadow] overflow-hidden',
+  {
+    variants: {
+      variant: {
+        default: 'border-transparent bg-primary text-primary-foreground [a&]:hover:bg-primary/90',
+        secondary: 'border-transparent bg-secondary text-secondary-foreground [a&]:hover:bg-secondary/90',
+        destructive:
+          'border-transparent bg-destructive text-white [a&]:hover:bg-destructive/90 focus-visible:ring-destructive/20 dark:focus-visible:ring-destructive/40 dark:bg-destructive/60',
+        outline: 'text-foreground [a&]:hover:bg-accent [a&]:hover:text-accent-foreground'
+      }
+    },
+    defaultVariants: {
+      variant: 'default'
+    }
+  }
+)
+export type BadgeVariants = VariantProps<typeof badgeVariants>