docs: update README.md

Author: ns-vasilev

.swiftlint.yml

@@ -11,7 +11,6 @@ disabled_rules:
   - opening_brace
 
 opt_in_rules: # some rules are only opt-in
-  - anyobject_protocol
   - array_init
   - attributes
   - closure_body_length
@@ -125,7 +124,7 @@ large_tuple:
 nesting:
   type_level:
     warning: 2
-  statement_level:
+  function_level:
     warning: 10