Changelog for v0.4

Feature: [#18] Korean localisation.
Feature: [#25] DEB and RPM packages.
Improved: [#6] Window can now be resized.
Improved: [#29] Upgrade to .NET 8.
Improved: Improvements to Dutch localisation.
Improved: OpenLoco is now hidden on platforms where it’s unavailable.
Change: [#37] Install binaries in AppData\Local
Fix: [#37] Cannot install builds if the Documents directory is on OneDrive.