Add a changelog

Signed-off-by: Matt Friedman <maf675@gmail.com>

Author: iMattPro

CHANGELOG.md

@@ -0,0 +1,11 @@
+# Changelog
+
+### 1.0.0-RC2 - 2024-05-14
+
+- NOTE: If upgrading from RC1 to RC2, you must fully uninstall (disable and purge) RC1 and install RC2 as a fresh installation.
+- Fixed an issue when uninstalling the extension that resulted in migration failures due to running migration files in the wrong order.
+- Fixed an issue related to push URL paths so subscription data will be maintained after upgrading a forum to phpBB 4.
+
+### 1.0.0-RC1 - 2024-05-12
+
+- First public release