Develop→master merge for julia lec.2

See merge request !161

[julia] 2nd lecture

See merge request !160

[julia 1] remove the stuff we didn't make the first time

See merge request !159

backmerge the fixed deploys to `develop`

See merge request !158

use a more recent container for node stuff

See merge request !157

make the deploy a bit more verbose to ease debugging

See merge request !156

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

See merge request !155

Merge branch 'master' into 'develop'

See merge request R3/school/courses!154

merge back master to develop

See merge request R3/school/courses!153

Develop

See merge request R3/school/courses!152

fix the julia deploy (attempt 3)

See merge request R3/school/courses!151

julia23 - fixes

See merge request R3/school/courses!150

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

See merge request R3/school/courses!149

DMDP Oct 2022 training

See merge request R3/school/courses!148

[release] Regular merge of develop

See merge request R3/school/courses!146

update theme

See merge request R3/school/courses!145

[release] Regular merge of develop

See merge request !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 R3/school/courses!140