[JBPM] Documentation to be Corrected

JBPM version :: 7.60.0.Final/

Issue with Documentation

• [ ] Installtion instruction to be updated
• [ ] Navigate to docs.jbpm.org/7.60.0.Final/jbpm-docs/html_single/#_embedded_jbpm_controller_calls

>> As is :: Download the adapter from Keycloak Client Adapter for Wildfly 11/10/9

The hyperlink takes them to older page - Instead this should be used

https://github.com/keycloak/keycloak/releases/tag/

>> Execute the following commands on your shell: Needs to be update with
correct instruction

Add in the snippet sudo ./jboss-cli.sh -c --file=adapter-elytron-install.cli

>>