Update readme

Author: adamchalmers

README.md

@@ -1,3 +1,3 @@
-Read it [https://zoo.dev/docs/kcl-book/intro.html](here).
+Read it [here](https://zoo.dev/docs/kcl-book/intro.html).
 Use `mdbook serve` to spin up local copy
 Use `mdbook build` to compile static site