Complete Pcb Design for Seqlock V1

We are seeking an experienced pcb designer to create a complete pcb layout for our seqlock v1 motorcycle security device. The project requires a detailed design based on an Arduino Nano, incorporating various electronic components and adhering to specific PCB requirements.

Project Name: SEQLOCK V1

Components List:
- Arduino Nano (U1)
- Buck converter MP1584EN 12V to 5V (U2)
- Relay tongling srd-05vdc-sl-c (rly1)
- transistor bc547 (q1)
- diode 1n4007 (d1)
- capacitor 1000uf 25v electrolytic (c1)
- capacitor 100nf ceramic (c2)
- fuse t3.15A (U4)
- LED red 3mm (LED1)
- LED green 3mm (LED2)
- LED blue 3mm (LED3)
- Resistors 220 Ohm x3 (R2, R3, R4)
- Resistor 1k Ohm (R1)
- Resistor 4.7k Ohm pull-up (R5)
- Reset button (SW1)
- 10-pin connector BX-HA2.54-10PZZ (J1)

Arduino Pin Connections:
- D2 connected to Left button (J1 pin 5)
- D3 connected to Right button (J1 pin 6)
- D4 connected to Hidden reset button (SW1)
- D5 connected to iButton DATA + 4.7k Ohm pull-up to 5V (J1 pin 8)
- D6 connected to LED red (R2 220 Ohm)
- D7 connected to LED green (R3 220 Ohm)
- D8 connected to Relay via BC547 (R1 1k Ohm base, D1 flyback)
- D9 connected to LED blue (R4 220 Ohm)
- 5V pin connected to Buck converter output (not vin)
- gnd connected to common ground

10-pin connector j1 details:
- pin 1: +12v (from ignition)
- pin 2: gnd
- pin 3: relay com
- pin 4: relay no
- pin 5: left button
- pin 6: right button
- pin 7: gnd (buttons)
- pin 8: ibutton data
- pin 9: +5v (ibutton power)
- pin 10: gnd

relay pinout srd-05vdc-sl-c:
- pins 1 and 4: coil
- pin 5: com
- pin 2: no
- pin 3: nc

pcb requirements:
- software: easyeda (deliver .json project file and Gerber files)
- Preferred Size: 50x50mm (maximum 50x70mm)
- Layers: Single or double layer
- Compatibility: JLCPCB compatible Gerber files
- Error Checking: DRC 0 errors
- Quantity for Manufacturing: 20 units at JLCPCB

The freelancer will be responsible for the complete PCB layout, ensuring all components are correctly placed and routed according to the provided specifications. The final deliverables must include the EasyEDA project file and production-ready Gerber files.