chore: tooling migration -related changes

docs/index.md

@@ -14,8 +14,7 @@ This project provides:
 - :material-train-car-container:{ .lg .middle } __Images__
 
     ---
-    A diverse set of [continuously delivered](https://en.wikipedia.org/wiki/Continuous_delivery) Fedora-based images for people to use as base images
-
+
 - :material-heart:{ .lg .middle } __Community__
 
     ---

docs/tinker.md

@@ -1,5 +1,5 @@
-# Universal Blue's old custom image tooling is moving
+# Universal Blue's old custom image tooling has been moved
 
-Per mutual decisision ([ublue-os/startingpoint#223](https://github.com/ublue-os/startingpoint/issues/223) & [ublue-os/main#476](https://github.com/ublue-os/main/issues/476)), the custom image build tooling based on recipes is moving to a different organization as it's own project. [BlueBuild](https://blue-build.org/) is the new place to get support and documentation. The same maintaners are continuing work on the project. 
+Per mutual decisision ([ublue-os/startingpoint#223](https://github.com/ublue-os/startingpoint/issues/223) & [ublue-os/main#476](https://github.com/ublue-os/main/issues/476)), the custom image build tooling based on recipes is moving to a different organization as it's own project. [BlueBuild](https://blue-build.org/) is the new place to get support and documentation. The same maintaners are continuing work on the project.
 
-More information regarding things such as migration is going to be published later this month. In the meantime, _don't panic_, your current custom image repository is going to keep working.
+Read the [full introductory blog post](https://blue-build.org/blog/introducing-bluebuild/) (including a migration guide) on BlueBuild's website. _Don't panic_, you can keep your existing configuration, and your current custom image repository is going to keep working with no required changes for at least a few months.