Update changelog

Author: krassowski

CHANGELOG.md

@@ -8,13 +8,15 @@
 
 - bug fixes:
 
-  - fix completions with R double and triple colon prefix ([#449])
-  - fix contrast on status icon when status item is active ([#465])
-  - fix connection manager loosing track of notebooks when multiple were open ([#474])
+  - namespace completions in R (after double and triple colon) now work properly ([#449])
+  - improved status icon contrast when status item is active ([#465])
+  - connection manager now properly keeps track of notebooks when multiple notebooks are open ([#474])
+  - new cells added after kernel restart now work properly; kernel changes are handled correctly ([#478])
 
 [#449]: https://github.com/krassowski/jupyterlab-lsp/pull/449
 [#465]: https://github.com/krassowski/jupyterlab-lsp/pull/465
 [#474]: https://github.com/krassowski/jupyterlab-lsp/pull/474
+[#478]: https://github.com/krassowski/jupyterlab-lsp/pull/478
 
 ### `jupyter-lsp 1.0.1` (unreleased)