Update Makefile and index

3 jobs for master in 1 minute and 46 seconds
Status Job ID Name Coverage
  Deps
passed #18535
shell
deps

00:00:03

 
  Pages
failed #18537
docker
pages

00:01:42

failed #18536
docker
pages

00:01:42

 
Name Stage Failure
failed
pages Pages

zip warning: Not all files were readable
files/entries read: 263 (5.1M bytes) skipped: 10 (254K bytes)
Makefile:87: recipe for target 'build/00-intro.zip' failed
make: *** [build/00-intro.zip] Error 18
make: *** Waiting for unfinished jobs....
[NbConvertApp] Writing 73194 bytes to build/01-compilation.ipynb
[NbConvertApp] Writing 159580 bytes to build/02-gestionnaires_de_projet.ipynb
ERROR: Job failed: exit code 1