The Todo Web Part sample along with other samples are available in the DK3Samples folder.

Follow the steps below to run todo web part:

1. Clone the repo

2. Open a console and navigate to DK3Samples folder in your machine

3. Type the following to install npm packages

   npm i
   

4. Once npm installs all the packages, run:

   gulp serve
   

5. Todo web part will be available now in your local workbench.

6. As an added exercise, deploy the web part to SharePoint and CDN and test it respectively.