updated README

Author: matthewhegarty

CONTRIBUTING.md

@@ -16,9 +16,16 @@ This is a partial fork of [diff-match-patch][],
 with extra bits to make this a modern, friendly
 member of the Python packaging ecosystem. The
 library will be periodically updated with changes
-from the upstream project. If you would like to
-contribute fixes or improvements to the library
-itself, and not the packaging code, please submit
-them to the upstream library directly.
+from the upstream project. 
+
+Since August 2024, Google's diff_match_patch 
+library is archived, but there is a 
+[maintained][diff-match-patch-maintained] fork.
+
+If you would like to contribute fixes or 
+improvements to the library itself, and not the 
+packaging code, please submit them to the upstream 
+maintained fork library directly.
 
 [diff-match-patch]: https://github.com/google/diff-match-patch
+[diff-match-patch-maintained]: https://github.com/dmsnell/diff-match-patch

README.md

@@ -2,6 +2,8 @@
 
 Google's [Diff Match and Patch][DMP] library, packaged for modern Python.
 
+Since August 2024, this project will now track the [maintained fork][diff-match-patch-maintained].
+
 [![version](https://img.shields.io/pypi/v/diff-match-patch.svg)](https://pypi.org/project/diff-match-patch)
 [![changelog](https://img.shields.io/badge/change-log-blue)](https://github.com/diff-match-patch-python/diff-match-patch/blob/main/CHANGELOG.md)
 [![license](https://img.shields.io/pypi/l/diff-match-patch.svg)](https://github.com/diff-match-patch-python/diff-match-patch/blob/master/LICENSE)
@@ -82,3 +84,4 @@ This library also implements a [Bitap matching algorithm](https://neil.fraser.na
 
 [DMP]: https://github.com/google/diff-match-patch
 [API]: https://github.com/google/diff-match-patch/wiki/API
+[diff-match-patch-maintained]: https://github.com/dmsnell/diff-match-patch