【Jenkins】執行git專案上的pipline

參考：https://ithelp.ithome.com.tw/m/articles/10287403
Definition: 
Pipeline script from SCM
SCM: 
Git
Repository URL: 
https://github.com/ben4932042/jenkins-ithome.git 
Branch Specifier (blank for 'any'): 
main
Script Path: 
jobs/ithome-day3-sample-job/Jenkinsfile   => pipline 檔案