update reuirements for sphinx

docs/requirements_sphinx.txt

@@ -3,14 +3,22 @@ attrs==19.3.0
 Babel==2.8.0
 certifi==2020.4.5.1
 chardet==3.0.4
+click==7.1.1
 commonmark==0.9.1
 docutils==0.16
+future==0.18.2
 idna==2.9
 imagesize==1.2.0
 importlib-metadata==1.6.0
 Jinja2==2.11.2
+joblib==0.14.1
+livereload==2.6.1
+lunr==0.5.6
+Markdown==3.0.1
 MarkupSafe==1.1.1
+mkdocs==1.1
 more-itertools==8.2.0
+nltk==3.5
 numpy==1.18.3
 packaging==20.3
 pandas==1.0.3
@@ -22,17 +30,25 @@ pyparsing==2.4.7
 pytest==5.4.1
 python-dateutil==2.8.1
 pytz==2019.3
+PyYAML==5.3.1
+recommonmark==0.6.0
+regex==2020.4.4
 requests==2.23.0
 six==1.14.0
 snowballstemmer==2.0.0
 Sphinx==3.0.2
 sphinx-automodapi==0.12
+sphinx-markdown-tables==0.0.12
 sphinxcontrib-applehelp==1.0.2
 sphinxcontrib-devhelp==1.0.2
+sphinxcontrib-fulltoc==1.2.0
 sphinxcontrib-htmlhelp==1.0.3
 sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.3
 sphinxcontrib-serializinghtml==1.1.4
+tornado==6.0.4
+tqdm==4.45.0
 urllib3==1.25.9
 wcwidth==0.1.9
+yapf==0.29.0
 zipp==3.1.0