add indentation check [default is 4 spaces per tab-stop]

mloit · mloit · commit 30ac30a0df9b · 2022-03-31T13:02:54.000-04:00
diff --git a/.swiftlint.yml b/.swiftlint.yml
@@ -26,6 +26,7 @@ opt_in_rules:
  - empty_string
  - closure_body_length
  - fallthrough
+ - indentation_width
 
 # force warnings
 force_cast: error
