✨ 添加TypeScript实现的API签名工具，包括项目配置、命令行工具、核心库及相关文档，支持多种签名算法和环境变量配置。

typescript/package.json

@@ -0,0 +1,36 @@
+{
+  "name": "api-signer",
+  "version": "1.0.0",
+  "description": "API签名工具 - TypeScript实现",
+  "main": "dist/index.js",
+  "types": "dist/index.d.ts",
+  "scripts": {
+    "build": "tsc",
+    "start": "ts-node src/cli.ts",
+    "test": "jest",
+    "prepublish": "pnpm run build"
+  },
+  "keywords": [
+    "api",
+    "signature",
+    "authentication",
+    "security"
+  ],
+  "author": "Sound Force",
+  "license": "MIT",
+  "dependencies": {
+    "crypto-js": "^4.1.1",
+    "dotenv": "^16.0.3",
+    "minimist": "^1.2.8"
+  },
+  "devDependencies": {
+    "@types/crypto-js": "^4.1.1",
+    "@types/jest": "^29.5.0",
+    "@types/minimist": "^1.2.2",
+    "@types/node": "^22.15.18",
+    "jest": "^29.5.0",
+    "ts-jest": "^29.0.5",
+    "ts-node": "^10.9.1",
+    "typescript": "^5.0.2"
+  }
+}