update readme

Author: rosano

README.md

@@ -74,12 +74,12 @@ npm test ui match='/(detail|vitrine)/'
 
 Help me keep creating projects that are public, accessible for free, and open-source.
 
-<a href="https://rosano.ca/back"><img alt="Send a gift" src="https://static.rosano.ca/_shared/_RCSBackButton.svg" /></a>
+<a href="https://rosano.ca/back"><img alt="Send a gift" src="https://static.rosano.ca/_shared/_RCSGiftButton.svg" /></a>
 
 ## License
 
 The code is released under a [Hippocratic License](https://firstdonoharm.dev), modified to exclude its use for surveillance capitalism and also to require large for-profit entities to purchase a paid license.
 
 ## Questions
 
-Feel free to reach out on [Mastodon](https://rosano.ca/mastodon) or [Twitter](https://rosano.ca/twitter).
+Feel free to reach out on [Mastodon](https://rosano.ca/mastodon) or [Bluesky](https://rosano.ca/bluesky).

os-app/open-guide/text-en.md

@@ -1,6 +1,6 @@
 <div class="OLSKDecorNotice">
 
-This document is a work-in-progress. Feel free to reach out on [Mastodon](https://rosano.ca/mastodon) or [Twitter](https://rosano.ca/twitter).
+This document is a work-in-progress. Feel free to reach out on [Mastodon](https://rosano.ca/mastodon) or [Bluesky](https://rosano.ca/bluesky).
 
 </div>