Replacing PDF with instructions

README.md

@@ -98,9 +98,14 @@ We have two choices of IoT hardware to use for the projects depending on persona
 
 You can run this documentation offline by using [Docsify](https://docsify.js.org/#/). Fork this repo, [install Docsify](https://docsify.js.org/#/quickstart) on your local machine, and then in the root folder of this repo, type `docsify serve`. The website will be served on port 3000 on your localhost: `localhost:3000`.
 
-## PDF
+### PDF
 
-A PDF of all of the lessons can be found [here](pdf/readme.pdf)
+You can generate a PDF of this content for offline access if needed. To do this, make sure you have [npm installed](https://docs.npmjs.com/downloading-and-installing-node-js-and-npm) and run the following commands in the root folder of this repo:
+
+```sh
+npm i
+npm run convert
+```
 
 ## Image attributions