[BI-1771] - set hibernate.ddl-auto to create-only

Author: mlm483

src/main/resources/application.properties.template

@@ -7,7 +7,7 @@ spring.datasource.password=EXAMPLE
 
 spring.datasource.driver-class-name=org.postgresql.Driver
 
-spring.jpa.hibernate.ddl-auto=create-drop
+spring.jpa.hibernate.ddl-auto=create-only
 spring.jpa.show-sql=false
 spring.jpa.properties.hibernate.hbm2ddl.import_files=sql/crops.sql, sql/lists.sql, sql/locations.sql, sql/people.sql, sql/programs.sql, sql/trials.sql, sql/seasons.sql, sql/studies.sql, sql/breeding_methods.sql, sql/germplasm.sql, sql/attribute_defs.sql, sql/attribute_values.sql, sql/seed_lots.sql, sql/observation_units.sql, sql/crosses.sql, sql/pedigree.sql, sql/events.sql, sql/images.sql, sql/observation_variables.sql, sql/observations.sql, sql/samples.sql, sql/allele_calls.sql, sql/genome_maps.sql, sql/references.sql, sql/vendor.sql, sql/create_indexes.sql