Add test script for easier testing

test.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+printf "date\nwhoami\npwd\ndf -kh\nls -l\n" | /opt/jdk-17/bin/java -jar target/splicer-*.jar v1 | jq -r '.results[] | select(.command == "df -kh") | .output'