Merge pull request #43 from acmutd/problem-fields

(fix): add slug to problem model

Author: DedsecKnight

central-service/models/problem.go

@@ -3,6 +3,7 @@ package models
 type Problem struct {
 	ID          uint   `gorm:"primarykey" json:"id"`
 	Name        string `gorm:"unique" json:"name"`
+	Slug        string `gorm:"unique" json:"slug"`
 	Description string `json:"description"`
 	Hints       string `json:"hints"`
 	Difficulty  string `json:"difficulty"`