[Docs] Fix broken link to prompts in get-started (#1336)

docs/get-started.md

@@ -85,6 +85,5 @@ with additional Genkit capabilities, see the following guides:
 *   [Creating flows](/docs/genkit/flows): Learn how to use special Genkit
     functions, called flows, that provide end-to-end observability for workflows
     and rich debugging from Genkit tooling.
-*   [Prompting models](/docs/genkit/prompts): Learn how Genkit lets you treat
-    prompt templates as functions, encapsulating model configurations and
-    input/output schema.
+*   [Managing prompts](/docs/genkit/dotprompt)): Learn how Genkit helps you manage
+*   your prompts and configuration together as code.