Major changes since welle.io 2.6 Core

• Introduce a selector when a station is found in multiple ensembles
• Add scroll bar to station list
• Fix some graphical issues in GUI
• Update readme.md
• Minor changes Windows
• No Windows specific changes Linux
• Add flathub.org support (https://flathub.org/apps/io.welle.welle-gui)
  • It is recommended to install welle.io via flathub
• Add flatpack arm64 support
• Update to Qt 6.8.2 Android and macOS
• Currently unmaintained
• Please use version 2.4