Merge pull request #4029 from baywet/feature/kiota-index

- adds kiota index topic description

Author: ahpook

topics/kiota-index/index.md

@@ -0,0 +1,13 @@
+---
+aliases: openapi-index
+created_by: Microsoft
+display_name: Kiota Index
+github_url: https://github.com/microsoft/kiota
+logo: kiota-index.png
+released: March 09, 2023
+short_description: Kiota Index allows any API developer to add their OpenAPI description to a global index of APIs.
+topic: kiota-index
+url: https://aka.ms/kiota/addapi
+---
+
+[Kiota](https://aka.ms/kiota) is a modern client code generator for REST APIs. [Add your OpenAPI description](https://aka.ms/kiota/addapi) so any developer can find your API, explore it, and generate a client to start calling it.