Installing 1-wire

I have installed HA with an image en balena etcher.
Now I would like installing 1-wire devices but then en must change some thing in the file config.txt.
I can’t find this file and I think there no file named config.txt.
On the original Raspbian OS I can find this in the OS but not in HA.
can anyone help me how I can change these file

In order to setup 1-Wire support on Raspberry Pi, you’ll need to edit /boot/config.txt . This file can not be edited through ssh. You have to put your SD card to a PC, and edit the file directly. To edit /boot/config.txt on the Home Assistant Operating System, use this documentation to enable SSH and edit /mnt/boot/config.txt via vi .

1-Wire - Home Assistant