Bundle a tested Traefik in releases, the image and the installer

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

Dockerfile

@@ -18,7 +18,9 @@ LABEL org.opencontainers.image.title="Blacktip" \
 COPY --from=prep /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
 COPY --from=prep /data /data
 COPY dist/bin/linux_${TARGETARCH}/blacktip /blacktip
-ENV BLACKTIP_DATA=/data
+COPY dist/bin/linux_${TARGETARCH}/traefik /traefik
+# Traefik serves http/https; set BLACKTIP_TRAEFIK= (empty) in .env to use the built-in proxy instead
+ENV BLACKTIP_DATA=/data BLACKTIP_TRAEFIK=/traefik
 VOLUME ["/data"]
 EXPOSE 51820/udp
 ENTRYPOINT ["/blacktip"]