Add B3 exporter to alpha release table (open-telemetry#164)

c24t · web-flow · commit 126d1e791c0d · 2019-09-30T12:07:05.000-07:00
diff --git a/README.md b/README.md
@@ -81,6 +81,7 @@ release.
 | Tracing SDK                 | Alpha   | September 30 2019 |
 | Metrics API                 | Alpha   | September 30 2019 |
 | Metrics SDK                 | Alpha   | September 30 2019 |
+| Zipkin Trace Exporter       | Alpha   | September 30 2019 |
 | Jaeger Trace Exporter       | Alpha   | Unknown           |
 | Prometheus Metrics Exporter | Alpha   | Unknown           |
 | Context Propagation         | Alpha   | September 30 2019 |
