Add WSL support to script

util/qmk_install.sh

@@ -3,11 +3,14 @@
 
 util_dir=$(dirname "$0")
 
-case $(uname) in
-	Darwin)
+case $(uname -a) in
+	*Darwin*)
 		exec "${util_dir}/macos_install.sh"
 	;;
-	Linux)
+  *Linux*Microsoft*)
+		exec "${util_dir}/wsl_install.sh"
+  ;;
+	*Linux*)
 		exec "${util_dir}/linux_install.sh"
 	;;
 	MSYS_NT*|MINGW64_NT*|MINGW32_NT*)