Fix the missing default configuration

.gitignore

@@ -1,7 +1,7 @@
 .DS_Store
 networkDev
 node.txt
-config.json
+/config.json
 database.db
 logs
 模板

config/config.json

@@ -0,0 +1,42 @@
+{
+  "server": {
+    "host": "0.0.0.0",
+    "port": 8080,
+    "mode": "debug",
+    "dist": ""
+  },
+  "database": {
+    "type": "sqlite",
+    "mysql": {
+      "host": "localhost",
+      "port": 3306,
+      "username": "root",
+      "password": "password",
+      "database": "networkdev",
+      "charset": "utf8mb4",
+      "max_idle_conns": 10,
+      "max_open_conns": 100
+    },
+    "sqlite": {
+      "path": "./database.db"
+    }
+  },
+  "redis": {
+    "host": "localhost",
+    "port": 6379,
+    "password": "",
+    "db": 0
+  },
+  "log": {
+    "level": "info",
+    "file": "./logs/app.log",
+    "max_size": 100,
+    "max_backups": 5,
+    "max_age": 30
+  },
+  "security": {
+    "jwt_secret": "your-jwt-secret-key",
+    "encryption_key": "your-encryption-key",
+    "jwt_refresh_threshold_hours": 6
+  }
+}