Create customer example for "Prisma vs. TypeORM"

createCustomer.ts

const createCustomer = async (prisma: PrismaClient) => {
  await prisma.customer.create({
    data: {
      username: 'Customer1',
      email: 'Customer1@gmail.com',
      products: {
        connect: [
          {
            name: 'Car',
          },
          {
            name: 'Dynamite',
          },
        ],
      },
    },
  });
};