message: docs: mention querying update for 0.4.0
diff: @@ -23,6 +23,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
  - [#59](https://github.com/ClementTsang/bottom/issues/59): `Alt-h` and `Alt-l` to move left/right in query (and rest of the app actually).
  +- [#59](https://github.com/ClementTsang/bottom/issues/59): Added a more advanced querying system.
  +
  ### Changes
  - Changed default colours for highlighted borders and table headers to light blue - this is mostly to deal with Powershell colour conflicts.
  