code formatting & clean up (cx-org#54)

* clean up

* clean up

* clean up

* clean up

* clean up

* swiftlint autocorrect

* lint

Author: ddddxxx

.swiftlint.yml

@@ -0,0 +1,63 @@
+disabled_rules:
+  - cyclomatic_complexity
+  - file_length
+  - function_body_length
+  - identifier_name
+  - trailing_comma
+  - trailing_whitespace
+  - type_name
+opt_in_rules:
+  - anyobject_protocol
+  - array_init
+  - closure_end_indentation
+  - closure_spacing
+  - collection_alignment
+  - contains_over_filter_count
+  - contains_over_filter_is_empty
+  - contains_over_first_not_nil
+  - contains_over_range_nil_comparison
+  - convenience_type
+  - discouraged_object_literal
+  - empty_collection_literal
+  - empty_count
+  - empty_string
+  - explicit_init
+  - first_where
+  - flatmap_over_map_reduce
+  - identical_operands
+  - implicitly_unwrapped_optional
+  - is_disjoint
+  - joined_default_parameter
+  - last_where
+  - legacy_multiple
+  - legacy_random
+  - literal_expression_end_indentation
+  - modifier_order
+  - multiline_arguments
+  - multiline_function_chains
+  - multiline_literal_brackets
+  - multiline_parameters
+  - multiple_closures_with_trailing_closure
+  - nimble_operator
+  - object_literal
+  - operator_usage_whitespace
+  - overridden_super_call
+  - override_in_extension
+  - pattern_matching_keywords
+  - prohibited_super_call
+  - quick_discouraged_call
+  - reduce_into
+  - single_test_class
+  - sorted_first_last
+  - sorted_imports
+  - static_operator
+  - toggle_bool
+  - trailing_closure
+  - unneeded_parentheses_in_closure_argument
+  - untyped_error_in_catch
+  - unused_import
+  - vertical_parameter_alignment_on_call
+  - vertical_whitespace_closing_braces
+  - yoda_condition
+excluded:
+  - .build