[ANNOUNCE] DataSketches Memory 2.0.0 released!

[David Cromberge <da...@gmail.com>]

### Add support for Java 9 through 13 (inclusive), whilst retaining support
for Java 8.
### Add modularity support via Java Platform Module System for Java9+.
### Add support for user to provide memory request server implementation
for different resource types.
### Significant refactoring to better encapsulate internals and simplify
public facing API.
### Add documentation to explain project structure and configuration for
popular IDEs including Eclipse and IntelliJ.


Hello All,

   This component of the DataSketches library provides high-performance
access
    to off-heap memory for Java applications. These are low-level functions
that are used by other
    DataSketches components. It does not provide any command-line interface
or GUI.

1. Download Site:
    - https://datasketches.apache.org/docs/Community/Downloads.html

2. Source repository:
    - https://github.com/apache/datasketches-memory/releases

3. Download, build and test documentation:
    - https://github.com/apache/datasketches-memory/blob/master/README.md

3. Website
    - https://datasketches.apache.org

Thank you to the PMC members and community for taking the time to review
this release!

David