feat: Initialize NestJS backend project with Prisma, core modules, configuration, and common utilities.

.gitignore

@@ -0,0 +1,45 @@
+# Dependencies
+node_modules/
+
+# Build
+dist/
+build/
+
+# Environment variables
+.env
+.env.local
+.env.*.local
+
+# IDE
+.idea/
+.vscode/
+*.swp
+*.swo
+*~
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Logs
+logs/
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Testing
+coverage/
+.nyc_output/
+
+# Prisma
+/generated/prisma
+
+# Temporary files
+tmp/
+temp/
+
+# Debug
+*.pid
+*.seed
+*.pid.lock