feat: for fresh installs

src/Sergen.Main/Resources/Install.sh

@@ -1,13 +1,26 @@
 #!/bin/bash
 cd "$(dirname "$0")"
 
+# Stop the service if it is running
 systemctl stop Sergen.service
-rm /lib/systemd/system/Sergen.service
+
+# Check if the systemd service file exists before removing it
+if [ -f /lib/systemd/system/Sergen.service ]; then
+    rm /lib/systemd/system/Sergen.service
+    echo "Removed existing Sergen.service file."
+else
+    echo "Sergen.service file does not exist, skipping removal."
+fi
+
+# Copy the new service file
 cp Sergen.service /lib/systemd/system/Sergen.service
 
+# Ensure the target directory exists
 mkdir -p /opt/Sergen
 
+# Copy all files to /opt/Sergen
 yes | cp -rf ../* /opt/Sergen
 
+# Reload systemd services and start the service
 systemctl daemon-reload
 systemctl start Sergen.service