Feature/iuainfra 52

Create Dummy Service for Access Token Provider

access-token-provider-api/src/main/java/net/ihe/gazelle/app/accesstokenproviderapi/adapter/README.txt

-Put here classes from adapter layer :
-Data transformers, adapters, presenters or DAO. Abstraction of external libraries for
-application or business use.
-Web-services point, sockets, database connection and pool, GUI, file system, framework,
-external libraries.
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