Run npm install.

Build tasks

You can run the following tasks on the command line:

• gulp: build and run an example HTTP server at http://localhost:5001 in watch mode. The server's configuration is available at /examples.
• gulp build: build the application
• gulp test: test and lint the application
• gulp buildwatch, gulp testwatch: like gulp build and gulp test but in watch mode

For more information on the available tasks, run gulp --tasks.