doc(main): update documentation and flows

dist/nodes/gateway-subdevices/GatewaySubdevice.js

@@ -0,0 +1,45 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+const constants_1 = require("../constants");
+exports.default = (RED, type) => {
+    class GatewayDevice {
+        constructor(props) {
+            RED.nodes.createNode(this, props);
+            this.gateway = RED.nodes.getNode(props.gateway);
+            this.sid = props.sid;
+            this.status({ fill: "grey", shape: "ring", text: "battery - na" });
+            this.setMessageListener();
+        }
+        setMessageListener() {
+            if (this.gateway) {
+                this.on('input', (msg) => {
+                    let payload = msg.payload;
+                    // Input from gateway
+                    if (payload.sid) {
+                        if (payload.sid == this.sid) {
+                            let batteryLevel = payload.batteryLevel;
+                            var status = {
+                                fill: "green", shape: "dot",
+                                text: "battery - " + batteryLevel + "%"
+                            };
+                            if (batteryLevel < 10) {
+                                status.fill = "red";
+                            }
+                            else if (batteryLevel < 45) {
+                                status.fill = "yellow";
+                            }
+                            this.status(status);
+                            this.send([msg]);
+                        }
+                    }
+                    else {
+                        msg.sid = this.sid;
+                        msg.gateway = this.gateway;
+                        this.send(msg);
+                    }
+                });
+            }
+        }
+    }
+    RED.nodes.registerType(`${constants_1.Constants.NODES_PREFIX}-${type}`, GatewayDevice);
+};