Added device emit option for debugging purposes

src/Models/IDevice.ts

@@ -0,0 +1,14 @@
+export interface ICommand {
+    command?: string,
+    deviceId?: string,
+    type?: string
+}
+
+export interface IDevice {
+    id: string,
+    name: string,
+    supportsCommand(commandName: string): boolean,
+    getCommand(commandName: string): ICommand,
+    commands: { [name: string]: ICommand };
+    on: boolean;
+}