Initial commit: Complete inventory management system with audit logging

- Added Next.js 15 inventory management application
- SQLite database with audit trail functionality
- Item CRUD operations (Create, Read, Update, Delete)
- Dedicated item detail pages with edit functionality
- Complete change history tracking for all modifications
- Responsive UI with Tailwind CSS (removed Shadcn UI for simplicity)
- API routes for inventory management and audit logs
- Clean navigation between list and detail views

.gitignore

@@ -39,3 +39,9 @@ yarn-error.log*
 # typescript
 *.tsbuildinfo
 next-env.d.ts
+
+# Database files (SQLite)
+database.db
+*.sqlite
+*.sqlite3
+*.db