update for main prepared (from release-6.1-CR1)

.clang-format

.gitlab-ci.yml

.pre-commit-config.yaml

CMakeLists.txt

Dockerfile

README.md

data/globaltag.json

data/globaltagmap.json

data/tag.json

data/tag2.json

data/tagmetainfo.json

doc/crest-cmd-user-guide.md

scripts/crest-setup.sh

src/copyGlobalTag.cxx

src/crestCmd.cxx

src/crestCopy.cxx

src/crestExport.cxx

src/crestImport.cxx

src/deleteTag.cxx

src/insertTag.cxx