chore: add introduction blog post to README

Author: Max-Meldrum

README.md

@@ -4,7 +4,9 @@
 
 # datafusion-uwheel
 
-``datafusion-uwheel`` is a Datafusion query optimizer that indexes data using [µWheel](https://uwheel.rs) to accelerate query processing. The motivation behind this work is based on the following [post](https://uwheel.rs/post/datafusion/).
+``datafusion-uwheel`` is a Datafusion query optimizer that indexes data using [µWheel](https://uwheel.rs) to accelerate query processing.
+
+See the introduction blog [post](https://uwheel.rs/post/datafusion_uwheel/) to learn more.
 
 See the following tracking [issue](https://github.com/uwheel/datafusion-uwheel/issues/1) for progress. Note that this project is still in the early stages of development.