chore: init project

.gitignore

@@ -0,0 +1,68 @@
+## .NET
+bin/
+obj/
+*.user
+*.suo
+.vs/
+artifacts/
+
+## Rider / VS
+.idea/
+
+## Node / Vite
+node_modules/
+frontend/dist/
+frontend/.vite/
+
+## Env & secrets
+.env
+.env.local
+*.pfx
+appsettings.*.local.json
+secrets.json
+
+## Logs
+logs/
+*.log
+
+## OS
+.DS_Store
+Thumbs.db
+
+# ── GSD baseline (auto-generated) ──
+.gsd
+.gsd-worktrees/
+.gsd-id
+.mcp.json
+.bg-shell/
+nul
+nul.*
+con
+con.*
+prn
+prn.*
+aux
+aux.*
+com[1-9]
+com[1-9].*
+lpt[1-9]
+lpt[1-9].*
+*.swp
+*.swo
+*~
+.vscode/
+*.code-workspace
+.env.*
+!.env.example
+.next/
+dist/
+build/
+__pycache__/
+*.pyc
+.venv/
+venv/
+target/
+vendor/
+coverage/
+.cache/
+tmp/