BXMSDOC-8050 Support Elytron user handling (#10) (#4019)

* BXMSDOC-8050 Initial commit

* test

* Removes double quotes

* Removes excess parameters

* Adds note about file-based property-based users

* Rewords 'creating users' note

* Replaces hard coded references to RHSSO with attribute

* Rewords 'creating users' section

* Rewords 'creating several users section'

* Fixes 'Configure user(s) and role(s)' line

* Post QA review feedback

* Fixes optional section formatting

drools-docs/src/modules/ROOT/pages/DMN/dmn-execution-rest-proc.adoc

@@ -121,7 +121,7 @@ The following example demonstrates how to add credentials to a curl request:
 curl -u username:password <request>
 ----
 +
-If {KIE_SERVER} is configured with Red Hat Single Sign-On, the request must include a bearer token:
+If {KIE_SERVER} is configured with {RH-SSO}, the request must include a bearer token:
 +
 [source,java]
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