Updated packages: GNU Toolchain 15.2rel1, CMake 4.2.3, JLink 9.16a

Updated package: JLink 8.84

Fixed incomplete list of symlinks to JLink executables

Updated package: JLink 8.82

Added help to setup-devcontainer cmd

Fixed wrong dest folder in container setup script

Updated packages: GNU Arm Toolchain 14.3rel1, CMake 4.0.3, JLink 8.54…

…; Removed deprecated .NET and unmaintained extension

Updated packages: CMake 4.0.0, JLink 8.24

Added kit definition; Updated container config to automatically detec…

…t Arm GNU toolchain; Updated README toolchain file and kit definition locations

Updated package versions: CMake 3.31.2, .NET 6.0.36, JLink 8.10k