Add python-dotenv and default .env file

{{ cookiecutter.repo_name }}/.env

@@ -0,0 +1,12 @@
+# Environment variables go here, can be read by `python-dotenv` package:
+#
+#   `src/script.py`
+#   ----------------------------------------------------------------
+#    import dotenv
+#
+#    project_dir = os.path.join(os.path.dirname(__file__), os.pardir)
+#    dotenv_path = os.path.join(project_dir, '.env')
+#    dotenv.load_dotenv(dotenv_path)
+#   ----------------------------------------------------------------
+#
+# DO NOT ADD THIS FILE TO VERSION CONTROL!

{{ cookiecutter.repo_name }}/.pylintrc

@@ -1,11 +0,0 @@
-[MASTER]
-load-plugins=pylint_common
-
-[FORMAT]
-max-line-length=120
-
-[MESSAGES CONTROL]
-disable=missing-docstring,invalid-name
-
-[DESIGN]
-max-parents=13