use EditorConfig

.editorconfig

@@ -0,0 +1,14 @@
+# EditorConfig is awesome: https://EditorConfig.org
+root = true
+
+[*]
+indent_style = space
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[{*.json,config.json.example}]
+indent_style = tab
+indent_size = 4

.gitignore

@@ -1,4 +1,3 @@
-env
 *.json
 *.csv
 *.pyc