Add files for Kotlin. Both are working successfully.

kotlin_scripted.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+# 2024-03-30 Hyperling
+# Run the program as a shell language.
+
+# Move to the file location.
+DIR="$(dirname -- "${BASH_SOURCE[0]}")"
+cd $DIR
+
+# Run the program.
+kotlinc -script ./spare_change.kts