Add Conference Videos from 2023 (#932)

## Description

### Why
Update conference videos list with videos from 2023. 
###### Microsoft Reviewers: [Open in
CodeFlow](https://microsoft.github.io/open-pr/?codeflow=https://github.com/microsoft/react-native-windows-samples/pull/932)

website/pages/en/resources-videos.js

@@ -77,6 +77,11 @@ class Resources extends React.Component {
  );
 
  const videoUrls = [
+ { yt: 'PYMMxfttOug', title: 'React Native EU 2023: Tommy Nguyen & Lorenzo Sciandra - Raising the Bar'},
+ { yt: 'ChDQZpWQbwk', title: 'Chain React 2023: Christoph Purrer - From Electron to React Native'},
+ { yt: '1vMic8ixfVI', title: `Chain React 2023: Lorenzo Sciandra - The work that you don't see`},
+ { yt: 'kMJNEFHj8b8', title: 'Chain React 2023: Chiara Mooney & Shiven Mian - Building for Microsoft'},
+ { yt: 'uSr9KXu707s', title: 'React Native Radio Ep267: React Native Windows with Chiara Mooney'},
  { yt: 'r7yKet5dga4', title: 'React Native EU 2021: Khalef Hosany - Unlocking the next generation of desktop app with React Native' },
  { yt: 'gWOrCedNR9M', title: 'React Native EU 2020: Steven Moyes - Building For Desktops And Dual Screens' },
  { yt: 'QMFbrHZnvvw', title: 'MS Build SK119 React Native: Build cross platform apps that target Windows, Mac, and more!' },