pack: prettier now use space instead of tab

.editorconfig

@@ -4,7 +4,7 @@ root = true
 [*]
 charset = utf-8
 end_of_line = lf
-indent_style = tab
+indent_style = space
 indent_size = 2
 insert_final_newline = true
 max_line_length = 80

.prettierrc

@@ -1,7 +1,6 @@
 {
   "printWidth": 100,
-	"tabWidth": 2,
+  "useTabs": false,
-	"useTabs": true,
   "semi": false,
   "vueIndentScriptAndStyle": false,
   "singleQuote": true,