Add description of JSON output folder

(cherry picked from commit d4a45962)
10 jobs for 4.6 in 349 minutes and 37 seconds (queued for 4 seconds)
Status Job ID Name Coverage
  Build
passed #20285
build_binaries

00:12:58

passed #20286
build_doc

00:01:08

 
  Test And Pkg
passed #20289
macOS
pkg_macOS

00:12:25

passed #20287
pkg_source

00:01:29

passed #20288
pkg_windows

00:30:55

passed #20293
test_dynare++

00:14:33

passed #20290
test_matlab

00:54:17

failed #20310
test_octave

04:23:50

passed #20291
test_old_matlab

01:12:45

failed #20292
test_octave

03:40:50

 
Name Stage Failure
failed
test_octave Test And Pkg
tests/*/*.o.log: found 248 matching files          
tests/*/*.o.trs: found 248 matching files

tests/*/*.jnl: found 14 matching files

tests/*/*/*.o.log: found 116 matching files

tests/*/*/*.o.trs: found 116 matching files

tests/*/*/*.jnl: found 3 matching files

tests/run_test_octave_output.txt: found 1 matching files

Uploading artifacts to coordinator... ok
id=20310 responseStatus=201 Created token=yafTNxwa
ERROR: Job failed: exit status 1