- new classes TokenWorkerService.ts, TokenWorker.ts and ResumptionToken.ts for using REDIS with paging OAI results
- deletd public/asstes2/langCodeMap.xml: integrated it directly in datasetxml2oai-pmh.xslt
- added redis npm package
- added TokenWorkerProvider.ts for using singleton of TokenWorkerService inside OaiController.ts
- added config/oai.ts for oai related configs from .env-file
- adapted XmlModel.ts for grting domDocument from database
- added model DocumentXmlCache.ts
- npm updates
- changed all models inside app/Models to use corrected BaseModel.ts
- added extra extension class DatasetExtension.ts for app/dataset.ts for caching internal and external fields