fix: address remaining heredoc and trailing blank line comments

install/calibre-web-install.sh

@@ -40,7 +40,7 @@ msg_ok "Installed Python Dependencies"
 msg_info "Creating Service"
 mkdir -p /opt/calibre-web/data
 
-cat <<EOF
+cat <<EOF >/etc/systemd/system/calibre-web.service
 [Unit]
 Description=Calibre-Web Service
 After=network.target
@@ -65,5 +65,4 @@ customize
 msg_info "Cleaning up"
 apt -y autoremove
 apt -y autoclean
-
 cleanup_lxc