chore: rust fmt

rustfmt.toml

@@ -1,5 +1,9 @@
 tab_spaces = 4
-max_width = 100
 newline_style = "Auto"
 reorder_imports = true
 reorder_modules = true
+reorder_impl_items = false
+indent_style = "Block"
+normalize_comments = false
+imports_granularity = "Module"
+group_imports = "StdExternalCrate"