Does anyone here have any ideas or suggestions as to the easiest way to turn gerber data into panel gerber data using KiCAD?
No further PCB data is available. We only have Gerber data for the PCB and from this we want to create panel gerber data. The panel border (logo, fiducials, etc.) should be able to be saved as a template so that it does not have to be created each time. However, the size of the benefit can vary.
Things like this are generally not done by a PCB design program, but by more specialized software for PCB production.
KiCad can be forced to something like this but it’ won’t be optimal. KiCad can not directly manipulate gerber files at all. For KiCad the gerber files are an endpoint. But with KiCad’s Gerber viewer you can re-create a PCB design file. More about this in: Reverse engineering KiCad project from Gerber files
Once you have re-created a PCB, there are some plugins in KiCad that can help with panelization such as KiKit and the Sparkfun KiCad Panelizer.
In KiCad, any project can be saved as a template, and a new project can be started from a template. When you use KiCad in “standalone” mode, you can import a PCB made in one project into the PCB file of another project.