CHG: TRAgen pretty official release with GUI, nice reports, tools

The previous "official release" (commit f54ce22b....) is hopefully
functionally the same but with warnings, tools hidden in the 'cells'
folder, old CMakeLists.txt with no modularization (to enable tools,
virtual microscopy, etc.)
3 jobs for nice_TRAgen_Release in 47 seconds
Status Job ID Name Coverage
  Build
failed #40551
build

00:00:47

 
  Test
skipped #40553
allowed to fail
code_quality
skipped #40552
test
 
Name Stage Failure
failed
build Build
Checking out d8dba2b6 as nice_TRAgen_Release...

Skipping Git submodules setup
$ if [[ -z "$CI_COMMIT_TAG" ]]; then # collapsed multi-line command
$ /build/build.sh
Logging to GitLab Container Registry with CI credentials...
WARNING! Using --password via the CLI is insecure. Use --password-stdin.
error during connect: Post http://docker:2375/v1.40/auth: dial tcp: lookup docker on 10.5.8.11:53: no such host
ERROR: Job failed: exit code 1