RFR: 7903799: apidiff: add initial code [v2]

[Iris Clark]

On Wed, 21 Aug 2024 21:26:37 GMT, Jonathan Gibbons <jjg at openjdk.org> wrote:

>> Please review the initial code for the new apidiff tool.
>
> Jonathan Gibbons has updated the pull request incrementally with one additional commit since the last revision:
> 
>   fix text about  CodeTools project

Marked as reviewed by iris (Reviewer).

CONTRIBUTING.md line 5:

> 3: APIDiff is part of the OpenJDK [CodeTools] Project.
> 4: 
> 5: Please see <https://openjdk.java.net/contribute/> for how to contribute.

openjdk.org.  Similar comment for line 8.

-------------

PR Review: https://git.openjdk.org/apidiff/pull/2#pullrequestreview-2252794734
PR Review Comment: https://git.openjdk.org/apidiff/pull/2#discussion_r1726121731