Add simple WebUI

Author: chkuendig

Dockerfile

@@ -24,6 +24,7 @@ RUN apk --no-cache add ca-certificates python3 py3-pip ffmpeg tzdata \
 
 COPY --from=builder /usr/bin/yt-dlp /usr/bin/youtube-dl
 COPY --from=builder /build/bin/podsync /app/podsync
+COPY --from=builder /build/html/index.html /app/html/index.html
 
 ENTRYPOINT ["/app/podsync"]
 CMD ["--no-banner"]