* Add multiple auth methods to ApiClient. ApiClient more configurable
* Fixed missing close tag for isMultipart in api.mustache
* Generated samples ./bin/kotlin-client-all.sh
* Generated samples./bin/openapi3/kotlin-client-petstore-all.sh
* Use of better way to add supporting files based on conditions
* Fixed missing check for retrofit generating auth files
* Generated samples
Co-authored-by: Alexander Karkossa <alexander.karkossa@dataport.de>
* Added new additional parameter to allow nullable api return types
* Tweaking samples and .bat files
I've added new .bat files for the kotlin-client to alllow windows-devs to re-generate required samples via windows-shell (for CI).
