Code correction

xcode/.swiftlint.yml

@@ -64,6 +64,7 @@ opt_in_rules:
   - identical_operands
   - overridden_super_call
   - unowned_variable_capture
+  - indentation_width
 
   # metrics
 
@@ -109,6 +110,30 @@ identifier_name:
     - y
     - z
 
+indentation_width: 
+  indentation_width: 4
+  severity: error
+  match_kinds:
+      - argument
+      - attribute.builtin
+      - attribute.id
+      - buildconfig.id
+      - buildconfig.keyword
+      - identifier
+      - keyword
+      - number
+      - objectliteral
+      # - parameter
+      - placeholder
+      # - string # all except string literals
+      # - comment # and comments
+      # - comment.mark
+      # - comment.url
+      # - doccomment
+      # - doccomment.field
+      - string_interpolation_anchor
+      - typeidentifier
+
 warning_threshold: 1
 
 custom_rules: