Add Pixie to performance
Hi All,  we've launched our community beta this week and would be great to add to share with community.
Best,
Ishan
@@ -1416,6 +1416,7 @@ See [go-hardware](https://github.com/rakyll/go-hardware) for a comprehensive lis
## Performance
* [jaeger](https://github.com/jaegertracing/jaeger) - A distributed tracing system.
+* [pixie](https://github.com/pixie-labs/pixie) - No instrumentation tracing for Golang applications via eBPF.
* [profile](https://github.com/pkg/profile) - Simple profiling support package for Go.
* [tracer](https://github.com/kamilsk/tracer) - Simple, lightweight tracing.
