feat: 初始化短信网关核心

package.json

@@ -0,0 +1,35 @@
+{
+  "name": "nodejs-sms-gateway",
+  "version": "1.0.0",
+  "description": "4G SMS Gateway with AT command communication",
+  "main": "src/index.js",
+  "type": "module",
+  "scripts": {
+    "start": "node src/index.js",
+    "dev": "nodemon src/index.js",
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [
+    "sms",
+    "4g",
+    "at-commands",
+    "gateway",
+    "modem"
+  ],
+  "author": "",
+  "license": "MIT",
+  "dependencies": {
+    "serialport": "^12.0.0",
+    "@serialport/parser-readline": "^12.0.0",
+    "node-pdu": "^2.1.2",
+    "express": "^4.18.2",
+    "express-basic-auth": "^1.2.1",
+    "nodemailer": "^6.9.7",
+    "axios": "^1.6.2",
+    "winston": "^3.11.0",
+    "dotenv": "^16.3.1"
+  },
+  "devDependencies": {
+    "nodemon": "^3.0.2"
+  }
+}