Updated the osdu_api yaml to be generic

osdu_api/examples/osdu_api.yaml

-storage_url: https://1s8vxxyjl3.execute-api.us-east-1.amazonaws.com/api/storage/v2/records
-search_url: https://1s8vxxyjl3.execute-api.us-east-1.amazonaws.com/api/search/v2/query
-workflow_url: http://localhost:8090/updateStatusFunction
+storage_url: https://[STORAGE_ENDPOINT]/api/storage/v2/records
+search_url: https://[SEARCH_ENDPOINT]/api/search/v2/query
+workflow_url: https://[WORKFLOW_ENDPOINT]/updateStatusFunction
 data_partition_id: opendes
 # dynamically injects what provider-specific logic to use
 provider: aws