doc(main): update documentation and flows

dist/nodes/actions/GatewayPlaySound.js

@@ -0,0 +1,26 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+const constants_1 = require("../constants");
+exports.default = (RED) => {
+    class GatewayPlaySound {
+        constructor(props) {
+            RED.nodes.createNode(this, props);
+            this.mid = parseInt(props.mid);
+            this.volume = parseInt(props.volume);
+            this.setListeners();
+        }
+        setListeners() {
+            this.on('input', (msg) => {
+                if (msg.sid) {
+                    msg.payload = {
+                        action: "playSound",
+                        mid: msg.mid || this.mid,
+                        volume: msg.volume || this.volume
+                    };
+                }
+                this.send(msg);
+            });
+        }
+    }
+    RED.nodes.registerType(`${constants_1.Constants.NODES_PREFIX}-actions gateway_play_sound`, GatewayPlaySound);
+};