8 Key Keyboard PCB Design

Hi, What I’m looking for is a PCB design for an 8 key – keyboard The keys I’m hoping to use are F1 to F8 keys, connected as switches to 3.5 mm audio cables. I’ve made a pdf that might give you a better idea of what I’m looking for… (Budget: ₹600 – ₹1500 INR, Jobs: Circuit Design, Electrical Engineering, Electronics, Microcontroller, PCB Layout)