add task_import_with_uuid

lib/taskchampion.h

@@ -93,6 +93,13 @@ struct TCTask *tc_replica_new_task(struct TCReplica *rep,
                                    enum TCStatus status,
                                    struct TCString *description);
 
+/**
+ * Create a new task.  The task must not already exist.
+ *
+ * Returns the task, or NULL on error.
+ */
+struct TCTask *tc_replica_import_task_with_uuid(struct TCReplica *rep, struct TCUuid uuid);
+
 /**
  * Undo local operations until the most recent UndoPoint.
  *