add docs requirements

docs/requirements.txt

@@ -0,0 +1,88 @@
+alabaster==0.7.12
+ansimarkup==1.4.0
+ansiwrap==0.8.4
+appdirs==1.4.3
+appnope==0.1.0
+apsw==3.9.2.post1
+attrs==19.1.0
+Babel==2.6.0
+backcall==0.1.0
+better-exceptions-fork==0.2.1.post6
+black==19.3b0
+bleach==3.1.0
+certifi==2019.3.9
+chardet==3.0.4
+Click==7.0
+colorama==0.4.1
+ConfigSpace==0.4.10
+Cython==0.29.6
+decorator==4.4.0
+defusedxml==0.5.0
+docutils==0.14
+entrypoints==0.3
+future==0.17.1
+gevent==1.4.0
+greenlet==0.4.15
+idna==2.8
+imagesize==1.1.0
+ipython==7.4.0
+ipython-genutils==0.2.0
+jedi==0.13.3
+Jinja2==2.10.1
+jsonschema==3.0.1
+jupyter-client==5.2.4
+jupyter-core==4.4.0
+loguru==0.2.5
+MarkupSafe==1.1.1
+mistune==0.8.4
+msgpack-python==0.5.6
+nbconvert==5.4.1
+nbformat==4.4.0
+numpy==1.16.3
+packaging==19.0
+pandas==0.24.2
+pandocfilters==1.4.2
+papermill==0.19.1
+parso==0.4.0
+pathspec==0.5.9
+peewee==3.9.3
+pexpect==4.7.0
+pickleshare==0.7.5
+prompt-toolkit==2.0.9
+psmon==1.1.1
+psutil==5.6.1
+ptyprocess==0.6.0
+py-cpuinfo==5.0.0
+Pygments==2.4.0
+pyparsing==2.4.0
+pyrsistent==0.14.11
+python-dateutil==2.8.0
+pytz==2019.1
+PyYAML==5.1
+pyzmq==18.0.1
+requests==2.22.0
+retrying==1.3.3
+rope==0.12.0
+ruamel.yaml==0.15.96
+six==1.12.0
+snowballstemmer==1.2.1
+Sphinx==2.0.1
+sphinx-rtd-theme==0.4.3
+sphinxcontrib-applehelp==1.0.1
+sphinxcontrib-devhelp==1.0.1
+sphinxcontrib-htmlhelp==1.0.2
+sphinxcontrib-jsmath==1.0.1
+sphinxcontrib-qthelp==1.0.2
+sphinxcontrib-serializinghtml==1.1.3
+strictyaml==1.0.1
+tenacity==5.0.3
+testpath==0.4.2
+textwrap3==0.9.2
+toml==0.10.0
+tornado==6.0.2
+tqdm==4.32.1
+traitlets==4.3.2
+typing==3.6.6
+urllib3==1.22
+wcwidth==0.1.7
+webencodings==0.5.1