Initial commit: Fast Inventory app

Monorepo with Express + SQLite backend and Vite + React frontend.
Features: item CRUD, file uploads with thumbnails, soft delete,
item duplication with file copying, autocomplete inputs, stats dashboard.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.gitignore

@@ -0,0 +1,12 @@
+node_modules/
+dist/
+server/data/
+server/uploads/
+data/
+*.db
+*.db-journal
+*.db-shm
+*.db-wal
+.env
+.DS_Store
+.claude/