examples: simple service listener and http_connection_manager protos. (#41)

examples/service_envoy/http_connection_manager.pb

@@ -0,0 +1,26 @@
+codec_type: AUTO
+
+stat_prefix: "ingress_http"
+
+route_config {
+  virtual_hosts {
+    name: "service"
+    domains: "*"
+    routes {
+      match {
+        prefix: "/service"
+      }
+      forward {
+        cluster: "local_service"
+        timeout {
+          seconds: 0
+        }
+      }
+    }
+  }
+}
+
+http_filters {
+  type: DECODER
+  name: "router"
+}

examples/service_envoy/listeners.pb

@@ -0,0 +1,16 @@
+listeners {
+  resolved_address {
+    socket_address {
+      protocol: TCP
+      port {
+        value: 80
+      }
+    }
+  }
+  filter_chains {
+    filter_chain {
+      type: READ
+      name: "http_connection_manager"
+    }
+  }
+}