migrate from github

internal/repository/membership_repo/membership_repo.go

@@ -0,0 +1,11 @@
+package membership_repo
+
+import "gorm.io/gorm"
+
+type MembershipRepository struct {
+	db *gorm.DB
+}
+
+func NewMembershipRepository(db *gorm.DB) *MembershipRepository {
+	return &MembershipRepository{db: db}
+}