Create README.md

Author: abr-ubiqube

WORKFLOWS/Utils/MSA_Microservice_Tasks_Builder/README.md

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+The purpose of this workflow is to generate the PHP code necessary to call a microservice function (CREATE/UPDATE/DELETE) from a microservice definition.
+It takes a repository path to a micoservice definition (the .xml file) and generate 3 php files under the Workflow repository, in a path similar to the path of the microservice
+* Task_Create.php
+* Task_Update.php
+* Task_Delete.php
+The PHP files can then be resused as is or simply used as a base code sample for developing more complex workflow tasks