Add requirements.txt

requirements.txt

@@ -1,7 +1,27 @@
 certifi==2018.1.18
 chardet==3.0.4
+click==6.7
+docopt==0.6.2
+flake8==3.5.0
+Flask==0.12.2
+grip==4.5.2
 idna==2.6
+itsdangerous==0.24
+jedi==0.11.1
+Jinja2==2.10
+json-rpc==1.10.8
+Markdown==2.6.11
+MarkupSafe==1.0
+mccabe==0.6.1
+parso==0.1.1
+path-and-address==2.0.1
+pycodestyle==2.3.1
+pyflakes==1.6.0
+Pygments==2.2.0
 python-gitlab==1.3.0
+PyYAML==3.12
 requests==2.18.4
+service-factory==0.1.5
 six==1.11.0
 urllib3==1.22
+Werkzeug==0.14.1