Commits on Jul 10, 2022

1. Support AllowComments option for Style/EmptyElse …

   This PR is support `AllowComments` option for `Style/EmptyElse`.
   The default for this option is false.
   
   In the case of complex conditional statements,
   we may want to leave `else` empty or nil and
   write only the explanation of the `else` case in the comments.
   
   `AllowComments: true` will not treat when `else` as offense
   if the `else` with an intentional comment.
   
   ### @example AllowComments: false (default)
   
   ```ruby
   # bad
   if condition
     statement
   else
     # something comment
     nil
   end
   
   # bad
   if condition
     statement
   else
     # something comment
   end
   ```
   
   ### @example AllowComments: true
   
   ```ruby
   # good
   if condition
     statement
   else
     # something comment
     nil
   end
   
   # good
   if condition
     statement
   else
     # something comment
   end
   ```

   

   ydah committed Jul 10, 2022
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