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

go.mod

@@ -0,0 +1,14 @@
+module giteapm
+
+go 1.21
+
+require (
+	github.com/gin-gonic/gin v1.9.1
+	github.com/go-sql-driver/mysql v1.7.1
+	github.com/golang-jwt/jwt/v5 v5.0.0
+	github.com/spf13/viper v1.16.0
+	gorm.io/driver/mysql v1.5.1
+	gorm.io/gorm v1.25.4
+	github.com/gin-contrib/cors v1.4.0
+	golang.org/x/oauth2 v0.12.0
+)