Basic bidirectional WS server

- Fake temporary protocol (will probably be JSON RPC later)
- Service can write freely to client through server
- Any new component we need (workers, etc.) can access the channels to write to the client

server/actor/server.go

@@ -0,0 +1,19 @@
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package actor
+
+// Server is a generic interface for creating a bidirectional
+// communication server through websocket.
+type Server interface {
+	Run()
+}