chore: rollback docs due to sonatype disaster (#581)

docs/playground.md

@@ -1,6 +1,20 @@
 The Playground is a module inside the Kompendium repository that provides out of the box examples for a variety of
 Kompendium features.
 
-You can find all the playground
+At the moment, the following playground applications are
+
+| Example      | Description                                                |
+|--------------|------------------------------------------------------------|
+| Basic        | A minimally viable Kompendium application                  |
+| Auth         | Documenting authenticated routes                           |
+| Custom Types | Documenting custom scalars to be used by Kompendium        |
+| Exceptions   | Documenting exception responses                            |
+| Gson         | Serialization using Gson instead of the default Kotlinx    |
+| Hidden Docs  | Place your generated documentation behind authorization    |
+| Jackson      | Serialization using Jackson instead of the default KotlinX |
+| Locations    | Using the Ktor Locations API to define routes              |
+| Resources    | Using the Ktor Resources API to define routes              |
+
+You can find all of the playground
 examples [here](https://github.com/bkbnio/kompendium/tree/main/playground/src/main/kotlin/io/bkbn/kompendium/playground)
 in the Kompendium repository