Describe how DB2 connection information can be found from the JES logs

[Joe-Winchester]

Is your request for enhancement related to a problem? Please describe.

As a user of DB2 CLI one of the steps required is to work out the database name, port, ... This is covered in
https://docs.zowe.org/stable/user-guide/cli-db2plugin.html#creating-a-user-profile
that tells a user to run -DISPLAY DDF

Describe the solution you'd like

Describe how to extract the information from JES message DSNL004I

DSNL004I  #DI2E DDF START COMPLETE  025        
           LOCATION  DSNV102E                  
           LU        GBIBMIYA.IYCYZDBE         
           GENERICLU -NONE                     
           DOMAIN    winmvs2e.hursley.ibm.com  
           TCPPORT   40100                     
           SECPORT   30100

Related doc pages

https://docs.zowe.org/stable/user-guide/cli-db2plugin.html#creating-a-user-profile

Additional context

Suggested by Mike Bauer as part of a review edit for https://medium.com/p/f5dba93b37e7

[JTonda]

@Joe-Winchester Is there someone from IBM we can contact for help with the DB2 plug-in?

[anaxceron]

Closed w/ PR 4036