Fix build script

package.json

@@ -32,6 +32,7 @@
     "@types/node": "^17.0.21",
     "@types/ping": "^0.4.1",
     "@types/validator": "^13.7.1",
+    "copyfiles": "^2.4.1",
     "prisma": "^3.10.0",
     "ts-node-dev": "^1.1.8",
     "yarn-upgrade-all": "^0.6.1"
@@ -39,7 +40,7 @@
   "scripts": {
     "tsc": "tsc",
     "development": "ts-node-dev ./src/index.ts --respawn --transpileOnly",
-    "build": "tsc -b",
+    "build": "tsc -b && copyfiles -u 1 configs_example/**/*.* build/configs_example/",
     "start": "node ./build/index.js",
     "production": "tsc && node ./build/index.js",
     "test": "mocha -r ts-node/register tests/**/*.ts"