add dockerignore file

Author: sam-writer

.dockerignore

@@ -0,0 +1,27 @@
+.env
+__pycache__
+*.pyc
+*.pyo
+*.pyd
+.Python
+env
+pip-log.txt
+pip-delete-this-directory.txt
+.tox
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*,cover
+*.log
+.git
+*.example
+.holo
+.github
+docs
+venv
+.venv
+ENV
+env.bak
+venv.bak