The class Converter [1] doesn't contain JavaDoc on the methods.

Acceptance criteria:

• The methods contain JavaDoc with documentation about what the methods do.

[1] https://github.com/kiegroup/drools/blob/main/kie-dmn/kie-dmn-ruleset2dmn-parent/kie-dmn-ruleset2dmn/src/main/java/org/kie/dmn/ruleset2dmn/Converter.java