add setup script

run_fetch.sh

@@ -1,7 +1,4 @@
 #!/bin/bash
-set -a  # Automatically export all variables
-source .env
-set +a  # Stop automatically exporting
 cd $PROBABLES_ROOT_DIR
 #!/bin/bash
 NOW=$(date +"%Y-%m-%d %H:%M:%S")

setup.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+# Set up environment variables or necessary paths
+set -a
+source .env
+set +a
+
+# setup cronjob
+# ┌───────────── min (0 - 59)
+# │ ┌────────────── hour (0 - 23)
+# │ │ ┌─────────────── day of month (1 - 31)
+# │ │ │ ┌──────────────── month (1 - 12)
+# │ │ │ │ ┌───────────────── day of week (0 - 7) (Sunday to Saturday; 7 is also Sunday)
+# │ │ │ │ │
+# │ │ │ │ │
+SCRIPT_PATH="$PROBABLES_ROOT_DIR"run_fetch.sh
+(crontab -l 2>/dev/null; echo "0,30 * * * * $SCRIPT_PATH") | crontab -