Merge pull request 'editorconfig (#1011)' (!9) from editorconfig into master

Reviewed-on: #9

.editorconfig

@@ -0,0 +1,21 @@
+root = true
+
+[*]
+charset = utf-8
+# Unix-y lines
+end_of_line = lf
+insert_final_newline = true
+
+[*.{py,css}]
+indent_style = tab
+# I do not think we prescribe, how big a tab is.
+indent_size = unset
+
+# Migrations are auto-generated and thus follow PEP-8, let's not fight with that
+[*/migrations/*.py]
+indent_style = space
+indent_size = 4
+
+[*.html]
+indent_style = space
+indent_size = 2