update readme

Author: hellovietduc

README.md

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 # CSS container queries demo
 
-[Slideshow](https://padlet.com/starkindustries/css-container-queries-mlzynsz22rxk4x44/slideshow)
+On 5 January 2024, I gave an internal tech talk at @padlet about CSS container queries. This repo contains the code example I presented in the talk. You can visit the live version [here](http://css-container-queries-demo.duckwho.codes/).
+
+- [Recording](https://www.loom.com/share/2328cd606d724d47a2be5d0cb6e89394)
+- [Slides](https://padlet.com/starkindustries/css-container-queries-mlzynsz22rxk4x44/slideshow)