Initial commit: Gitea Project Management System

Features:
- Complete project management system with Epic/Story/Task hierarchy
- Vue.js 3 + Element Plus frontend with kanban board
- Go backend with Gin framework and GORM
- OAuth2 integration with Gitea
- Docker containerization with MySQL
- RESTful API for project, task, and user management
- JWT authentication and authorization
- Responsive web interface with dashboard

.gitignore

@@ -0,0 +1,33 @@
+# Go
+go.sum
+vendor/
+
+# Docker
+docker-compose.override.yml
+
+# Logs
+*.log
+
+# Database
+*.db
+*.sqlite3
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Build
+dist/
+build/
+
+# Config (if contains sensitive data)
+# config/config.yaml
+
+# Dependencies
+node_modules/