Added swagger docs comment

pkg/models/tasks.go

@@ -831,6 +831,18 @@ func (t *Task) Delete() (err error) {
 	return
 }
 
+// ReadOne gets one task by its ID
+// @Summary Get task one task by its ID
+// @Description Returns one task by its ID
+// @tags task
+// @Accept json
+// @Produce json
+// @Param ID path int true "The task ID"
+// @Security JWTKeyAuth
+// @Success 200 {object} models.Task "The task"
+// @Failure 404 {object} models.Message "Task not found"
+// @Failure 500 {object} models.Message "Internal error"
+// @Router /tasks/all [get]
 func (t *Task) ReadOne() (err error) {
 
 	taskMap := make(map[int64]*Task, 1)