Add Tailscale 1.54.1 arm static

Configured for install to /usrdata/tailscale/

tailscale/systemd/tailscaled.defaults

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+# Set the port to listen on for incoming VPN packets.
+# Remote nodes will automatically be informed about the new port number,
+# but you might want to configure this in order to set external firewall
+# settings.
+PORT="41641"
+
+# Extra flags you might want to pass to tailscaled.
+FLAGS=""

tailscale/systemd/tailscaled.service

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+[Unit]
+Description=Tailscale node agent
+Documentation=https://tailscale.com/kb/
+Wants=network-pre.target
+After=network-pre.target NetworkManager.service systemd-resolved.service
+
+[Service]
+EnvironmentFile=/usrdata/tailscale/systemd/tailscaled.defaults
+ExecStartPre=/usrdata/tailscale/tailscaled --cleanup
+ExecStart=/usrdata/tailscale/tailscaled --statedir=/usrdata/tailscale/ --port=${PORT} $FLAGS
+ExecStopPost=/usrdata/tailscale/tailscaled --cleanup
+Restart=on-failure
+Type=notify
+
+[Install]
+WantedBy=multi-user.target