Fix the wildcard in .editorconfig to match files in nested directories (#4165)

* Fix the wildcard in .editorconfig to match files in nested directories

* Remove a wrong whitespace in a brace expansion notation in .editorconfig

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Co-authored-by: pngwn <[email protected]>

Author: whitphx

.editorconfig

@@ -1,8 +1,8 @@
 
 root = true
 
-[{js/*, client/js/*}]
+[{js/**,client/js/**}]
 end_of_line = lf
 insert_final_newline = true
 indent_style = tab
-tab_width = 2
+tab_width = 2