docs: add release notes

docs/release-notes/release-notes-0.19.0.md

@@ -90,6 +90,12 @@
   Finally, the new `--logging.console.style` option can be used under the `dev` 
   build tag to add styling to console logging.
 
+* [Add max files and max file size] options to the `logging` config namespace
+  under new `--logging.file.max-files` and `--logging.files.max-file-size` 
+  options. The old options (`--maxlogfiles` and `--maxlogfilesize`) will still 
+  work but deprecation notices have been added and they will be removed in a 
+  future release.
+
 ## Breaking Changes
 ## Performance Improvements