onCheckboxChange parameter to notify changes on checkbox changes
column spacing and margin params
added additional heights and cleaned up the margins
the filter is now shown when you long press on a field header
overflow problem on resize fixed
√show a dropdown for the different filter types (add greater than, less than, between & equals)
√have an option to add a scrollable to my rows
have an option for filter button (magnifying glass) to appear above the column headers)
truncate a cell's text instead of wrapping text
have an option hover over a cell and that will show longer texts (alternative to wrapping)
have an option scroll horizontally to show longer texts (alternative to wrapping)
filter should filter on the formatted text but sort should sort on the unformatted text
create a date datatype & sort & filter correctly
create a boolean datatype & sort & filter correctly
create a other datatypes & sort & filter correctly
update examples
reusableDataGridW.dart:124:to do: add tests here as is complicated