Added boilerplate code for python

src/boilerplate/__main__.py

@@ -0,0 +1,14 @@
+"""
+Entrypoint module, in case you use `python -mboilerplate`.
+
+
+Why does this file exist, and why __main__? For more info, read:
+
+- https://www.python.org/dev/peps/pep-0338/
+- https://docs.python.org/2/using/cmdline.html#cmdoption-m
+- https://docs.python.org/3/using/cmdline.html#cmdoption-m
+"""
+from boilerplate.cli import main
+
+if __name__ == "__main__":
+    main()