feat: add python3-serial CanBoot dependency (#129)

Added CanBoot Dependency to Base Image.

Signed-off-by: Stephan Wendel <me@stephanwe.de>

README.md

@@ -46,6 +46,7 @@ Here a list of included and preinstalled Software:
 -   Preinstalled Dependencies for Klipper's Input Shaper. \
     You only need to build the [klipper_mcu](https://www.klipper3d.org/RPi_microcontroller.html) and installing the service. \
     See [Klipper documentation](https://www.klipper3d.org/Measuring_Resonances.html) for more information.
+-   Preinstalled python3-serial package, needed for [CanBoot](https://github.com/Arksine/CanBoot)
 
 ## Screenshots
 

src/modules/mainsailos/config

@@ -1,2 +1,4 @@
-# This file is intentionally left blank
-# Preparation for later use cases
+#!/bin/bash
+# shellcheck disable=all
+
+[ -n "$MAINSAILOS_DEPS" ] || MAINSAILOS_DEPS="python3-serial"

src/modules/mainsailos/start_chroot_script

@@ -21,3 +21,8 @@ function get_parent {
 cat /etc/os-release | grep VERSION_CODENAME | cut -d '=' -f2
 }
 echo "${DIST_NAME} release ${DIST_VERSION} ($(get_parent))" > /etc/${DIST_NAME,,}-release
+
+### Install CANBoot Dependency
+apt update
+# shellcheck disable=SC2086
+check_install_pkgs ${MAINSAILOS_DEPS}