docs: update README logo

README.md

@@ -1,6 +1,10 @@
 # Contextive
 
-![Contextive Banner](images/contextive-primary.png)
+<picture>
+  <source media="(prefers-color-scheme: dark)" srcset="images/logo-tagline-inverted.png">
+  <source media="(prefers-color-scheme: light)" srcset="images/logo-tagline.png">
+  <img alt="Contextive: Get on the same page." src="images/logo-tagline.png">
+</picture>
 
 [![Contextive](https://github.com/dev-cycles/contextive/actions/workflows/contextive.yml/badge.svg)](https://github.com/dev-cycles/contextive/actions/workflows/contextive.yml) [![Mastodon](https://img.shields.io/mastodon/follow/111227986489537355?domain=https%3A%2F%2Ftechhub.social%2F
 )](https://techhub.social/@contextive) [![Twitter](https://img.shields.io/twitter/follow/contextive_tech?label=Follow%20Contextive)](https://twitter.com/intent/follow?screen_name=contextive_tech)