Make sure group_vars/matrix_servers is indented like other YAML files (with 2 spaces)

.editorconfig

@@ -15,7 +15,7 @@ trim_trailing_whitespace = true
 #########################
 
 # YAML Files
-[*.{yml,yaml,log.config.j2,yaml.j2}]
+[*.{yml,yaml,log.config.j2,yaml.j2,group_vars/matrix_servers}]
 indent_style = space
 indent_size = 2