set up eslint

.eslintrc.js

@@ -0,0 +1,26 @@
+module.exports = {
+    "env": {
+        "browser": true,
+        "es2021": true
+    },
+    "extends": "eslint:recommended",
+    "overrides": [
+        {
+            "env": {
+                "node": true
+            },
+            "files": [
+                ".eslintrc.{js,cjs}"
+            ],
+            "parserOptions": {
+                "sourceType": "script"
+            }
+        }
+    ],
+    "parserOptions": {
+        "ecmaVersion": "latest",
+        "sourceType": "module"
+    },
+    "rules": {
+    }
+}

package.json

@@ -22,5 +22,8 @@
     "pino": "^8.15.0",
     "pino-http": "^8.5.0",
     "sqlite3": "^5.1.6"
+  },
+  "devDependencies": {
+    "eslint": "^8.57.0"
   }
 }