OLMIS-7989: Added Facility Import & Quick performance improvements

[pwargulak]

Added import for entities:

• facility
• supportedProgram

Introduced performance improvements for the import:

• batching on hibernate and PostgreSQL level - for the whole service
• custom batching - import parts of the file in parallel
• custom cache for imports (load up all references needed during the import)

Known issues:

1. Single batch fail is reported as import failure, but doesn't break other batches - those which succeeded are imported
2. Error reporting/handling needs more work
3. It is still synchronous to HTTP request, limited to 60s timeout (by default config)

[sonarcloud]

Quality Gate failed

Failed conditions
0.0% Coverage on New Code (required ≥ 80%)

See analysis details on SonarCloud