Initial commit: Purrse personal finance app

Self-hosted, plugin-extensible personal finance manager built with
ASP.NET Core 9.0, Vue 3 + Vuetify 3, and PostgreSQL 17.

Backend (8 .NET projects):
- Core: 19 domain models, 6 enums, 14 DTOs, 12 service interfaces
- Data: EF Core DbContext, 16 entity configurations, category seeder
- API: 14 controllers, 15 services, JWT auth, SignalR, middleware
- Plugins: Abstractions + OFX/CSV/QIF file parsers
- Tests: 28 xUnit tests (fingerprinting, duplicate detection, parsers)

Frontend (Vue 3 + Vuetify 3 + TypeScript):
- 13 views, Pinia stores, Axios API services with JWT interceptors
- Dashboard, accounts, transactions, categories, imports, and more

Deployment:
- Docker Compose (PostgreSQL 17 + .NET API + nginx frontend)
- Auto-migration on startup

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

.gitignore

@@ -0,0 +1,40 @@
+# .NET
+bin/
+obj/
+*.user
+*.suo
+*.cache
+*.dll
+*.pdb
+*.exe
+.vs/
+*.DotSettings.user
+
+# Node / Frontend
+frontend/node_modules/
+frontend/dist/
+frontend/.vite/
+
+# IDE
+.idea/
+.vscode/
+*.swp
+*.swo
+
+# OS
+Thumbs.db
+.DS_Store
+
+# Environment
+.env
+*.local
+
+# Docker
+docker-compose.override.yml
+
+# Claude Code
+.claude/
+
+# Plugins and imports (runtime data)
+plugins/
+imports/