added new birdnet.conf update task

scripts/update_birdnet2.sh

@@ -6,6 +6,18 @@ my_dir=${HOME}/BirdNET-Pi/scripts
 # Stage 1 updates the services
 sudo ${my_dir}/update_services.sh
 
+# Stage 1.5: adding new birdnet.conf entries
+if ! grep FULL_DISK ${birdnet_conf};then
+ cat << EOF >> ${birdnet_conf}
+
+## FULL_DISK can be set to configure how the system reacts to a full disk
+## 0 = Remove the oldest day's worth of recordings
+## 1 = Keep all data and `stop_core_services.sh`
+
+FULL_DISK=0
+EOF
+fi
+
 # Stage 2 restarts the services
 newservices=$(awk '/service/ && /systemctl/ && !/php/ {print $3}' ${my_dir}/install_services.sh | sort)
 for i in ${newservices[@]};do