feat: DashScope 模型代理服务初始提交

支持 Anthropic 和 OpenAI 兼容协议的模型池反代，自动切换免费额度耗尽的模型。

package.json

@@ -0,0 +1,28 @@
+{
+  "name": "dashscope-model-proxy",
+  "version": "0.1.0",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "dev": "tsx watch src/index.ts",
+    "start": "node dist/index.js",
+    "build": "tsc -p tsconfig.json",
+    "type-check": "tsc -p tsconfig.json --noEmit",
+    "release:prepare": "pnpm build && node scripts/prepare-release.mjs"
+  },
+  "dependencies": {
+    "@hono/node-server": "^1.14.4",
+    "dotenv": "^16.5.0",
+    "hono": "^4.7.11"
+  },
+  "devDependencies": {
+    "@types/node": "^22.15.30",
+    "tsx": "^4.19.4",
+    "typescript": "^5.8.3"
+  },
+  "engines": {
+    "node": ">=20",
+    "pnpm": ">=9"
+  },
+  "packageManager": "pnpm@10.10.0"
+}