Refactor code structure for improved readability and maintainability

.gitignore

@@ -0,0 +1,36 @@
+node_modules
+
+# Environment variables
+.env
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+# Database
+*.db
+*.sqlite
+
+# Docker
+.env.docker
+docker-compose.override.yml
+
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# Build outputs
+dist/
+build/