TF Notes Format update

Terraform Notes.md

@@ -32,6 +32,9 @@
 * [tfswitch Github](https://github.com/warrensbox/terraform-switcher/)
 * [Installation](https://tfswitch.warrensbox.com/Install/)
 
+* [Introduction to tgswitch - Main site](https://warrensbox.github.io/tgswitch/)
+* [tgswitch Github](https://github.com/warrensbox/tgswitch)
+
 ```
 brew install warrensbox/tap/tfswitch
 brew install warrensbox/tap/tgswitch