Add temp cleanup script and systemd service

temp-cleanup/cleanup_temp.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+
+TARGET="/home/kai/Dokumente/temp"
+LOG="/home/kai/cleanup_temp.log"
+
+# kleine Verzögerung damit Nextcloud Zeit hat
+sleep 60
+
+echo "===== Cleanup Run: $(date) =====" >> "$LOG"
+
+if [ -d "$TARGET" ]; then
+    echo "Scanning: $TARGET" >> "$LOG"
+
+    # Dateien älter als 30 Tage löschen
+    find "$TARGET" -type f -mtime +30 -print -delete >> "$LOG" 2>&1
+
+    # Leere Ordner löschen
+    find "$TARGET" -type d -empty -print -delete >> "$LOG" 2>&1
+
+    echo "Cleanup finished" >> "$LOG"
+else
+    echo "Directory not found: $TARGET" >> "$LOG"
+fi
+
+echo "" >> "$LOG"