Add first version of documentation

.gitlab-ci.yml

README.md

docs/Makefile

docs/_static/css/custom.css

docs/_static/img/favicon.ico

docs/_static/img/indexing.png

docs/_static/img/logo.svg

docs/bibliography.bib

docs/bibliography.rst

docs/conf.py

docs/containers.rst

docs/dsp.rst

docs/hexagon.rst

docs/index.rst

docs/instrument.rst

docs/legal.rst

docs/make.bat

docs/noises.rst

docs/quickstart.rst

lisainstrument/containers.py