Custom Fitness Tracker KiCad Layout

I need a KiCad layout for a custom wearable fitness tracker. I have the BOM (attached). It uses an nRF5340, ADPD4200, and AD5940. Requirements: It must be a 6-layer Rigid-Flex design. Must follow JLCPCB/PCBWay HDI design rules (3 mil trace/space)... (Budget: ₹12500 - ₹37500 INR, Jobs: Antenna Design, Circuit Design, Electrical Engineering, Electronics, Embedded Systems, PCB Layout)