Updated .editorconfig.

.editorconfig

@@ -1,9 +1,10 @@
 root = true
 
 [*]
-indent_style    = tab
-indent_size     = 4
-end_of_line     = lf
+charset      = utf-8
+indent_style = tab
+indent_size  = 4
+end_of_line  = lf
 max_line_length = 100
 insert_final_newline     = true
 trim_trailing_whitespace = true