Add changelog for 230
This MR was automatically created from CI, https://gitlab.com/gitlab-org/gitter/gitter-android-app/-/jobs/136883118
We copied CURRENT_VERSION.txt
-> 230.txt
This MR was automatically created from CI, https://gitlab.com/gitlab-org/gitter/gitter-android-app/-/jobs/136883118
We copied CURRENT_VERSION.txt
-> 230.txt