No cosmetic layout fixes, no functional changes

.editorconfig

@@ -3,9 +3,9 @@ root = true
 [*]
 charset = utf-8
 end_of_line = lf
-insert_final_newline = true
-indent_style = space
 indent_size = 4
+indent_style = tab
+insert_final_newline = false
 trim_trailing_whitespace = true
 
 [*.md]
@@ -13,3 +13,6 @@ trim_trailing_whitespace = false
 
 [*.{yml,yaml}]
 indent_size = 2
+
+[docker-compose.yml]
+indent_size = 4