User Data Export and import (#967)

Co-authored-by: kolaente <k@knt.li>
Reviewed-on: https://kolaente.dev/vikunja/api/pulls/967
Co-authored-by: konrad <k@knt.li>
Co-committed-by: konrad <k@knt.li>

pkg/models/tasks.go

@@ -129,6 +129,11 @@ type Task struct {
 	web.Rights   `xorm:"-" json:"-"`
 }
 
+type TaskWithComments struct {
+	Task
+	Comments []*TaskComment `xorm:"-" json:"comments"`
+}
+
 // TableName returns the table name for listtasks
 func (Task) TableName() string {
 	return "tasks"