hg: panama/dev: 8223033: panama_foreign.md should have a basic hello world example

[james.laskey at oracle.com]

Changeset: 40e71d36d71d
Author:    jlaskey
Date:      2019-04-26 13:38 -0300
URL:       http://hg.openjdk.java.net/panama/dev/rev/40e71d36d71d

8223033: panama_foreign.md should have a basic hello world example
Reviewed-by: sundar

! doc/panama_foreign.html
! doc/panama_foreign.md