1. Install typings globally
sudo npm install -g typings
Now you can you typings command to add intellisense in your project. There are hundreds of typings available you can download and use in your project with just a simple command.
2. Using typings
Navigate to your project directory and enter below command to add intelliSense for angularjs.
cd path/to/your/project typings install angular --ambient
Here is a list of some of the typings you can download,
Visit this link for a complete list of typings you can use. Hope this will help, comment and share.