Adding requirements file

docs/requirements.txt

@@ -0,0 +1,25 @@
+alabaster==0.7.12
+Babel==2.6.0
+certifi==2018.11.29
+chardet==3.0.4
+colorama==0.4.1
+commonmark==0.8.1
+docutils==0.14
+future==0.17.1
+idna==2.8
+imagesize==1.1.0
+Jinja2==2.10
+MarkupSafe==1.1.0
+packaging==19.0
+Pygments==2.3.1
+pyparsing==2.3.1
+pytz==2018.9
+recommonmark==0.5.0
+requests==2.21.0
+six==1.12.0
+snowballstemmer==1.2.1
+Sphinx==1.8.4
+sphinx-rtd-theme==0.4.2
+sphinxcontrib-jsonschema==0.9.3
+sphinxcontrib-websupport==1.1.0
+urllib3==1.24.1