fix: burn boot-loader at first boot (#26)

Author: lucarin91

debian/arduino-app-cli/DEBIAN/postinst

@@ -3,3 +3,4 @@
 chown -R arduino:arduino /home/arduino/.local/share/arduino-app-cli
 
 systemctl enable arduino-app-cli
+systemctl enable arduino-burn-bootloader

debian/arduino-app-cli/DEBIAN/prerm

@@ -1,3 +1,4 @@
 #!/bin/sh
 
 systemctl disable arduino-app-cli
+systemctl disable arduino-burn-bootloader

debian/arduino-app-cli/etc/systemd/system/arduino-burn-bootloader.service

@@ -0,0 +1,18 @@
+[Unit]
+Description=Burn arduino zephyr bootloader on first boot
+After=fs-local.target
+ConditionPathExists=!/home/arduino/.local/share/arduino-app-cli/bootloader_burned.flag
+
+[Service]
+Type=oneshot
+RemainAfterExit=true
+User=arduino
+Group=arduino
+ExecStart=/usr/bin/arduino-cli burn-bootloader -b arduino:zephyr:unoq -P jlink
+ExecStartPost=/bin/mkdir -p /home/arduino/.local/share/arduino-app-cli
+ExecStartPost=/bin/touch /home/arduino/.local/share/arduino-app-cli/bootloader_burned.flag
+StandardOutput=journal
+StandardError=journal
+
+[Install]
+WantedBy=multi-user.target