run the yarn-installed grunt version instead of relying on local grunt

See merge request !155

Merge branch 'master' into 'develop'

See merge request !154

merge back master to develop

See merge request !153

Develop

See merge request !152

fix the julia deploy (attempt 3)

See merge request !151

julia23 - fixes

See merge request !150

add julia slides for the 2023 course (part 1 of 6)

See merge request !149

DMDP Oct 2022 training

See merge request !148

[release] Regular merge of develop

See merge request R3/school/courses!146

update theme

See merge request !145

[release] Regular merge of develop

See merge request R3/school/courses!144

add rsync to container

See merge request !143

add rsync cmd

See merge request !142

[release] Regular merge of develop

See merge request !141

[update] Update of submodule(s)

See merge request !140

review comments

See merge request !139

git part 3

See merge request !120