Draft JEP, "JDK packaging guidelines"

[mark.reinhold at oracle.com]

2022/3/2 9:22:59 -0800, alexey.semenyuk at oracle.com:
> I'd like to announce a new Draft JEP, "JDK packaging guidelines". JBS 
> link - https://bugs.openjdk.java.net/browse/JDK-8278252.

Or, more readably: https://openjdk.java.net/jeps/8278252

- Mark