Initial commit: SQL audit platform v0.1.0

FastAPI backend with auth, user, instance, ticket, query, dashboard APIs.
React + TypeScript frontend with mock data UI (10 pages).
SQLite + async SQLAlchemy, JWT auth, role-based access control.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

.gitignore

@@ -0,0 +1,13 @@
+# Backend
+__pycache__/
+*.pyc
+venv/
+*.db
+.env
+
+# Frontend
+node_modules/
+dist/
+
+# OS
+.DS_Store