doc: bump up node v10

Author: peterpeterparker

docs/docs/introduction/app-introduction/app-introduction.md

@@ -6,7 +6,7 @@
 
 [DeckDeckGo] requires a recent LTS version of [NodeJS](https://nodejs.org) and npm. Make sure you've installed and/or updated Node before continuing.
 
-> Note that you will need to use npm 6 or higher
+> Note that you will need to use npm 10 or higher
 
 ## Starting a new presentation
 

docs/src/app/pages/docs/introduction/app-introduction/app-introduction.tsx

@@ -34,7 +34,7 @@ export class AppIntroduction {
 <h2 id="app-introduction-prerequisites">Prerequisites</h2>
 <p><a href="https://deckdeckgo.com">DeckDeckGo</a> requires a recent LTS version of <a href="https://nodejs.org">NodeJS</a> and npm. Make sure you&#39;ve installed and/or updated Node before continuing.</p>
 <blockquote>
-<p>Note that you will need to use npm 6 or higher</p>
+<p>Note that you will need to use npm 10 or higher</p>
 </blockquote>
 <h2 id="app-introduction-starting-a-new-presentation">Starting a new presentation</h2>
 <p>Run the following command in a terminal to create a new deck:</p>