Bar graph added.

requirements.txt

@@ -1,10 +1,39 @@
+altair==4.1.0
+altair-data-server==0.4.1
+altair-saver==0.5.0
+altair-viewer==0.3.0
+attrs==19.3.0
 certifi==2020.6.20
 chardet==3.0.4
+cycler==0.10.0
 Deprecated==1.2.10
+entrypoints==0.3
+gitdb==4.0.5
+GitPython==3.1.7
 idna==2.10
+Jinja2==2.11.2
+jsonschema==3.2.0
+kiwisolver==1.2.0
+lizard==1.17.4
+MarkupSafe==1.1.1
+matplotlib==3.3.0
+numpy==1.19.1
+pandas==1.0.5
+Pillow==7.2.0
+portpicker==1.3.1
+PyDriller==1.15.2
 PyGithub==1.51
 PyJWT==1.7.1
+pyparsing==2.4.7
+pyrsistent==0.16.0
+python-dateutil==2.8.1
+python-dotenv==0.14.0
+pytz==2020.1
 requests==2.24.0
+selenium==3.141.0
+six==1.15.0
+smmap==3.0.4
+toolz==0.10.0
+tornado==6.0.4
 urllib3==1.25.9
 wrapt==1.12.1
-pytz==2020.1