Luggage carrier for fatbike
Old Man Mountain sells a kit (PH-SH-F-THRU-BLUTO) for mounting their Phat Wide Sherpa Rack on the front with a RockShox Bluto fork (which your bike has). 

To quote the page:


  Phat Sherpa Front with 15mm Thru Axle (For Rockshox Bluto). Comes with Robert Axle Project replacement thru axle and all other parts needed for installation. Part Numbers included in this compilation: PH-W, FK-5F15, AX-15BL, QRXLR170, EX6, CL1.5


Alternatively, you can look at their selection of rear racks.