Add a CHANGES.md file, prep for 0.0.2 release

CHANGES.md

@@ -0,0 +1,13 @@
+## In the next release
+
+## 0.0.2
+
+* Exposes a configurable admin server with Prometheus metrics.
+
+## 0.0.1
+
+Introducing linkerd-tcp. :balloon:
+
+* Runs a TCP load balancer for the [Linkerd][https://linkerd.io] service mesh.
+* Supports TLS and integrates with Namerd for service discovery.
+* Reads a YAML or JSON configuration file at startup.