Merge pull request #1000 from rikoe/feat-remove-old-appd-files

Remove old app directory files

Author: kriswest

docs/app-directory/spec.md

@@ -4,7 +4,13 @@ sidebar_label: API
 title: App Directory API (next)
 ---
 
-View the [full specification](pathname:///schemas/next/app-directory.html) in [OpenAPI v3.0](https://www.openapis.org/) format (generated with [ReDoc](https://github.com/Redocly/redoc/)).
+View the [full specification][1] in [OpenAPI v3.0][2] format (generated with [ReDoc][3]),
+or explore with the [Swagger Editor][4].
+
+[1]: pathname:///schemas/next/app-directory.html
+[2]: https://www.openapis.org/
+[3]: https://github.com/Redocly/redoc/
+[4]: https://editor.swagger.io/?url=https://fdc3.finos.org/schemas/next/app-directory.yaml
 
 ## Endpoints