refactor: change configruation to yml

internal/watcher/testdata/config.yml

@@ -0,0 +1,3 @@
+script_binary_path: "/bin/bash"
+webhook_script_path: "testdata/test-script.sh"
+file_to_watch_path: "testdata/test_monitor.txt"

internal/watcher/testdata/test-script.sh

@@ -0,0 +1,2 @@
+#!/bin/bash
+echo "deploy script has been called"