DOCS : initiate sphinx documentation

.gitlab-ci.yml

docs/Makefile

docs/build/doctrees/configuration/index.doctree

docs/build/doctrees/environment.pickle

docs/build/doctrees/index.doctree

docs/build/doctrees/install.doctree

docs/build/doctrees/pipeline_conf.doctree

docs/build/doctrees/tools/index.doctree

docs/build/html/.buildinfo

docs/build/html/_images/dag.png

docs/build/html/_images/rulegraph.png

docs/build/html/_sources/configuration/index.md.txt

docs/build/html/_sources/index.rst.txt

docs/build/html/_sources/install.md.txt

docs/build/html/_sources/pipeline_conf.md.txt

docs/build/html/_sources/tools/index.md.txt

...uild/html/_static/_sphinx_javascript_frameworks_compat.js

docs/build/html/_static/alabaster.css

docs/build/html/_static/basic.css

docs/build/html/_static/css/badge_only.css