Chromecast Desktop Audio Streamer Version 3.9

Download the installer and run setup.exe:
Setup 3.9.zip

New in 3.9:

• Fix to make the 'blurry' fonts look 'clear and crispy'.
• Make the behaviour of the REST 'start' API te same as clicking the play button in the GUI.
• Small change to the firewall check.
• Dark mode implementation

Thanks to @ablazhov, @daveyijzermans, @FA-Bubba, @robfrye