[doc] Add data policy to "BLISS in a nutshell"

6 jobs for 1336-general-bliss-presentation_data_policy in 41 minutes and 32 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Style
failed #82723
allowed to fail
check_lint

00:00:15

passed #82722
check_style

00:00:21

 
  Tests
passed #82724
test_bliss

00:36:50

100.0%
passed #82725
test_writer

00:33:35

100.0%
 
  Build
passed #82726
create_reference_doc

00:04:20

failed #82727
create_user_doc

00:02:41

 
Name Stage Failure
failed
create_user_doc Build
INFO    -  Cleaning site directory 
INFO - Building documentation to directory: /builds/bliss/bliss/doc/site
INFO - The following pages exist in the docs directory, but are not included in the "nav" configuration:
- data_external_processing.md
- scan_continuous.md
WARNING - Documentation file 'bliss_data_policy.md' contains a link to 'dev_data_nexus_server.md' which is not found in the documentation files.

Exited with 1 warnings in strict mode.
ERROR: Job failed: exit code 1
failed
check_lint Style
Collecting entrypoints<0.4.0,>=0.3.0 (from flake8->-r requirements-dev.txt (line 2))
Using cached https://files.pythonhosted.org/packages/ac/c6/44694103f8c221443ee6b0041f69e2740d89a25641e62fb4f2ee568f2f9c/entrypoints-0.3-py2.py3-none-any.whl
Collecting mccabe<0.7.0,>=0.6.0 (from flake8->-r requirements-dev.txt (line 2))
Using cached https://files.pythonhosted.org/packages/87/89/479dc97e18549e21354893e4ee4ef36db1d237534982482c3681ee6e7b57/mccabe-0.6.1-py2.py3-none-any.whl
Installing collected packages: click, toml, attrs, appdirs, black, pycodestyle, pyflakes, entrypoints, mccabe, flake8
Successfully installed appdirs-1.4.3 attrs-19.3.0 black-18.6b4 click-7.0 entrypoints-0.3 flake8-3.7.9 mccabe-0.6.1 pycodestyle-2.5.0 pyflakes-2.1.1 toml-0.10.0
$ git diff -U0 origin/master...$CI_COMMIT_SHA | flake8 --diff
tests/test_configuration/sessions/scripts/nexus_writer_session.py:184:5: F405 'newproposal' may be undefined, or defined from star imports: nexus_writer_service.session_api
ERROR: Job failed: exit code 1