Add roadmap.md (#134)

README.md

@@ -94,6 +94,9 @@ Use `dotnet skywalking config [your_application_code] [your_collector_server]` t
 dotnet skywalking config sample_app 192.168.0.1:11800
 ```
 
+# Roadmap
+[What are we going to do next?](/docs/roadmap.md)
+
 # Contributing
 This section is in progress here: [Contributing to skywalking-netcore](/CONTIBUTING.md)
 

docs/roadmap.md

+# Roadmap
+
+## v0.8.0
+- TraceContext refactoring.
+- Upgrade to Skywalking 6.0 protocol.
+- Fix known bugs in the issue list.
+- CLR runtime monitoring.
+- Support IIS monitoring and tracing.
+- ASP.NET and WCF request tracing.
+
+## v0.9.0
+- CLR Profiler(Experimental feature)
+- Support plug-in.
+- More third-party library support, such as mysql, redis, kafka, rabbitmq..