done with the file structure fix

.env.example

@@ -0,0 +1,9 @@
+# Server Configuration
+PORT=5000
+NODE_ENV=development
+
+# Database Configuration
+DB_PATH=./data/music.db
+
+# CORS Configuration
+CORS_ORIGIN=http://localhost:5000

.eslintrc.js

@@ -0,0 +1,24 @@
+module.exports = {
+  env: {
+    node: true,
+    es2021: true,
+    jest: true
+  },
+  extends: [
+    'eslint:recommended'
+  ],
+  parserOptions: {
+    ecmaVersion: 12,
+    sourceType: 'module'
+  },
+  rules: {
+    'indent': ['error', 2],
+    'linebreak-style': ['error', 'unix'],
+    'quotes': ['error', 'single'],
+    'semi': ['error', 'always'],
+    'no-unused-vars': ['warn'],
+    'no-console': ['warn'],
+    'prefer-const': ['error'],
+    'no-var': ['error']
+  }
+};

.gitignore

@@ -0,0 +1,48 @@
+# Environment variables
+.env
+.env.local
+.env.production
+
+# Dependencies
+node_modules/
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Database
+*.db
+data/
+
+# Logs
+logs/
+*.log
+
+# Runtime data
+pids/
+*.pid
+*.seed
+*.pid.lock
+
+# Coverage directory used by tools like istanbul
+coverage/
+.nyc_output/
+
+# IDE and Editor files
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# OS generated files
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db
+
+# Temporary files
+tmp/
+temp/