Add optimization for OAF geopackages

[kad-korpem]

Description

• Minor refactoring of existing code
• Add functionality to execute optimizations for OAF geopackages
• Add additional (optional) flags for service-type (ows or oaf, defaults to ows) and OAF config (JSON string)

Type of change

• New feature
• Improvement of existing feature
• Refactoring
• Configuration change

Checklist:

• I've double-checked the code in this PR myself
• I've left the code better than before (boy scout rule)
• The code is readable, comments are added that explain hard or non-obvious parts.
• I've expanded/improved the (unit) tests, when applicable
• I've run (unit) tests that prove my solution works
• There's no sensitive information like credentials in my PR