TMI2-396: Add submissions to Spotlight (#70)

* Adding a new migration

* updating migration to check if columns exist

src/main/resources/db/migration/V1_75__drop_created_by_and_updated_by_on_spotlight_tables.sql

@@ -0,0 +1,14 @@
+-- drop the created by and last updated by columns from spotlight submission table
+ALTER TABLE spotlight_submission
+DROP COLUMN IF EXISTS created_by;
+
+ALTER TABLE spotlight_submission
+DROP COLUMN IF EXISTS last_updated_by;
+
+
+-- drop the created by and last updated by columns from spotlight batch table
+ALTER TABLE spotlight_batch
+DROP COLUMN IF EXISTS  created_by;
+
+ALTER TABLE spotlight_batch
+DROP COLUMN IF EXISTS  last_updated_by;