Configuration
TwbsHelper has its own configuration file, located in 'twbshelper' namespace.
It is possible to override these options in the application configuration file.
defaultRowSpacingClass - Default row spacing class
Mainly used by the FormRow view helper to set the default row spacing class. Default value is 'mb-3'.
It can be disabled individually by setting element option 'row_spacing_class' to false.