added .editorconfig (closes #133)

KOLANICH · jhermann · commit e36c7b4fa2b7 · 2018-02-17T10:35:06.000+01:00
diff --git a/.editorconfig b/.editorconfig
@@ -0,0 +1,10 @@
+# EditorConfig is awesome: http://EditorConfig.org
+root = true;
+
+[*]
+charset = utf-8
+indent_style = space
+indent_size = 4
+trim_trailing_whitespace = true
+end_of_line = lf
+insert_final_newline = true
