add eslint and prettier

.eslintrc.json

@@ -0,0 +1,10 @@
+{
+  "parser": "@typescript-eslint/parser",
+  "extends": [
+    "eslint:recommended",
+    "plugin:@typescript-eslint/recommended",
+    "prettier"
+  ],
+  "plugins": ["@typescript-eslint/eslint-plugin"],
+  "root": true
+}

.prettierrc.json

@@ -0,0 +1,7 @@
+{
+  "semi": true,
+  "singleQuote": false,
+  "tabWidth": 4,
+  "trailingComma": "es5",
+  "printWidth": 120
+}

package.json

@@ -9,7 +9,10 @@
     "build": "tsc --project tsconfig.json",
     "test": "vitest run",
     "test:watch": "vitest watch",
-    "test:coverage": "vitest run --coverage"
+    "test:coverage": "vitest run --coverage",
+    "format": "prettier --write \"src/**/*.ts\"",
+    "lint": "eslint \"src/**/*.ts\"",
+    "lint:fix": "eslint \"src/**/*.ts\" --fix"
   },
   "keywords": [],
   "author": "",
@@ -44,9 +47,13 @@
     "@types/cors": "^2.8.17",
     "@types/multer": "^2.0.0",
     "@types/supertest": "^6.0.3",
+    "@typescript-eslint/eslint-plugin": "^8.44.1",
+    "@typescript-eslint/parser": "^8.44.1",
     "@vitest/coverage-v8": "^3.2.4",
     "cross-env": "^7.0.3",
-    "prettier": "^3.2.5",
+    "eslint": "^9.36.0",
+    "eslint-config-prettier": "^10.1.8",
+    "prettier": "^3.6.2",
     "supertest": "^7.1.4",
     "ts-node-dev": "^2.0.0",
     "vite": "^7.1.7",