Add 'UmountScripts' templete which support '%post-umount' section 86/239186/2 accepted/tizen_6.0_unified accepted/tizen_6.0_unified_hotfix accepted/tizen_6.5_unified accepted/tizen_7.0_unified accepted/tizen_7.0_unified_hotfix accepted/tizen_8.0_unified accepted/tizen_unified tizen tizen_6.0 tizen_6.0_hotfix tizen_6.5 tizen_7.0 tizen_7.0_hotfix tizen_8.0 accepted/tizen/6.0/unified/20201030.110920 accepted/tizen/6.0/unified/hotfix/20201102.233723 accepted/tizen/6.0/unified/hotfix/20201103.051725 accepted/tizen/6.5/unified/20211029.013845 accepted/tizen/7.0/unified/20221110.063434 accepted/tizen/7.0/unified/hotfix/20221116.110922 accepted/tizen/8.0/unified/20231005.095009 accepted/tizen/unified/20200727.075556 submit/tizen/20200724.131026 submit/tizen_6.0/20201029.205502 submit/tizen_6.0_hotfix/20201102.192902 submit/tizen_6.0_hotfix/20201103.115102 submit/tizen_6.5/20211028.163401 tizen_6.0.m2_release tizen_6.5.m2_release tizen_7.0_m2_release tizen_8.0_m2_release