[AIG]Move Evaluations from Observability (cloudflare#17144)

* Move Evaluations from observability

* edited link

Author: daisyfaithauma

src/content/docs/ai-gateway/observability/evaluations/index.mdx renamed to src/content/docs/ai-gateway/evaluations/index.mdx

@@ -2,6 +2,9 @@
 title: Evaluations
 pcx_content_type: navigation
 order: 1
+sidebar:
+  badge:
+    text: Beta
 ---
 
 Understanding your application's performance is essential for optimization. Developers often have different priorities, and finding the optimal solution involves balancing key factors such as cost, latency, and accuracy. Some prioritize low-latency responses, while others focus on accuracy or cost-efficiency.
@@ -12,4 +15,4 @@ Evaluations use datasets which are collections of logs stored for analysis. You
 
 Our first step toward comprehensive AI evaluations starts with human feedback (currently in open beta). We will continue to build and expand AI Gateway with additional evaluators.
 
-[Learn how to set up an evaluation](/ai-gateway/observability/evaluations/set-up-evaluations/) including creating datasets, selecting evaluators, and running the evaluation process.
+[Learn how to set up an evaluation](/ai-gateway/evaluations/set-up-evaluations/) including creating datasets, selecting evaluators, and running the evaluation process.

src/content/docs/ai-gateway/observability/evaluations/set-up-evaluations.mdx renamed to src/content/docs/ai-gateway/evaluations/set-up-evaluations.mdx

@@ -3,6 +3,8 @@ pcx_content_type: how-to
 title: Set up Evaluations
 sidebar:
   order: 2
+  badge:
+    text: Beta
 ---
 
 This guide walks you through the process of setting up an evaluation in AI Gateway. These steps are done in the [Cloudflare dashboard](https://dash.cloudflare.com/).