Update documentation links [skip ci] (#38)

Author: davdroman

README.md

@@ -125,7 +125,15 @@ This even works to override its behavior while maintaining the **default system
 The documentation for releases and `main` are available here:
 
 - [`main`](https://davdroman.github.io/swiftui-navigation-transitions/main/documentation/navigationtransitions/)
+- [0.6.0](https://davdroman.github.io/swiftui-navigation-transitions/0.6.0/documentation/navigationtransitions/)
+
+<details>
+<summary>
+Other versions
+</summary>
+
 - [0.5.0](https://davdroman.github.io/swiftui-navigation-transitions/0.5.0/documentation/navigationtransitions/)
+</details>
 
 ## Community