merge STF678_Task1_MEC021 into STF678_Task4
update etsi mec sandbox mec 021 AMS front-end file as per 3.1.1 AMS document version and merge request for STF678_Task1_MEC021 into STF678_Task4
WARNING! Gitlab maintenance operation scheduled for Thursday, 18 June between 19:00 and 20:00 (CET). During this time window, short service interruptions (less than 5 minutes) may occur. Thank you in advance for your understanding.
update etsi mec sandbox mec 021 AMS front-end file as per 3.1.1 AMS document version and merge request for STF678_Task1_MEC021 into STF678_Task4