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

.dockerignore

@@ -0,0 +1,9 @@
+.git
+.gitignore
+README.md
+Dockerfile
+.dockerignore
+docker-compose.yml
+.DS_Store
+bin/
+*.log