Iss. #11 - Update docker-compose for FDN API, update auth defaults

Included extra defaults in secrets files, and added default realm, scopes, and clients to be added in startup for keycloak.

config/foundationdb/secret.properties.sample

+quarkus.datasource.jdbc.url=jdbc:mariadb://localhost:$FOUNDATIONDB_DB_PORT/$FOUNDATIONDB_DB_NAME
+quarkus.datasource.username=$MYSQL_USER
+quarkus.datasource.password=$MYSQL_PASSWORD
+
+quarkus.oauth2.introspection-url=http://localhost:8080/auth/realms/foundation
+quarkus.oauth2.client-id=foundation
+quarkus.oauth2.client-secret=sample
+
+quarkus.http.port=8095
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