added content about Visual Studio Code to README

Author: amsokol

README.md

@@ -2,12 +2,13 @@
 
 <!-- TOC -->
 
-- [Clone and build project](#clone-and-build-project)
-- [Deploy project to Cloud Functions Local Emulator](#deploy-project-to-cloud-functions-local-emulator)
+- [Clone project](#clone-project)
+- [Build project from command-line](#build-project-from-command-line)
+- [Deploy project to Cloud Functions Local Emulator from command-line](#deploy-project-to-cloud-functions-local-emulator-from-command-line)
 
 <!-- /TOC -->
 
-## Clone and build project
+## Clone project
 
 Clone project from GitHub:
 
@@ -21,6 +22,16 @@ Go to to project folder:
 cd gcp-cloud-functions-typescript-starter
 ```
 
+Optional. You can open project in Visual Studio Code to to build and deploy project from GUI menu:
+
+```bash
+code .
+```
+
+## Build project from command-line
+
+If you prefer command-line interface instead of Visual Studio Code than use the next commands to build project.
+
 Install required `npm` modules:
 
 ```bash
@@ -35,7 +46,9 @@ tsc
 
 File `index.js` is generated and is ready to deploy to **Cloud Functions**
 
-## Deploy project to Cloud Functions Local Emulator
+## Deploy project to Cloud Functions Local Emulator from command-line
+
+If you prefer command-line interface instead of Visual Studio Code than use the next commands to deploy project.
 
 The **Cloud Functions Emulator** is distributed as a standard NPM package, so you can install it with a standard `npm install` command: