[Feature] Refactor project to use 'datamate' naming convention for services and configurations (#14)

* Enhance CleaningTaskService to track cleaning process progress and update ExecutorType to DATAMATE

* Refactor project to use 'datamate' naming convention for services and configurations

scripts/db/data-cleaning-init.sql

@@ -22,6 +22,7 @@ CREATE TABLE IF NOT EXISTS t_clean_task
     dest_dataset_name varchar(64),
     before_size       bigint,
     after_size        bigint,
+    file_count        int,
     created_at        timestamp default current_timestamp,
     started_at        timestamp,
     finished_at       timestamp,