Move all banners to GitHub. Adds library phpspreadsheet to JCB. Add import item example to demo component. Updates the Superpower class with the GetRemote class in the plugin. Ensures the super power autoloader triggers the correct repositories.
Fix database default fields to allow NULL. #1169. Fix the power list field to allow search. #1167. Expanded the Demo component in JCB v4 to include more advance features.
Fix the search area layout. Fix the search area code line selection. Fix the input edit button for custom fields. Add the new layout to list fields (GUI UPDATE). Start fixing the field view in Joomla 4. #1096.
