Macro Addin That Inserts / Runs And Removes Module In Active Workbook

I have a macro that copies data from several workbooks saved in a particular folder to a master workbook.

The problem is that this macro only works when it is included as a module in the master workbook. Unfortunately, I cannot ask the users of this macro to insert a module, copy the code and run it each time they want to consolidate the master workbook. Therefore, I wanted to use this code by including it in a Add-In that I already prepared. The problem is that this consolidation macro does not run when it is in an add-in. Create a code that I can include in a macro add in that would insert a module in the master file, include the code that I already have, run it and then delete the module? The add-in would be password protected.