[v11.2.x] Reorganize Explore Metrics content so OSS TOC matches Cloud (#92510)

Co-authored-by: Jack Baldry <jack.baldry@grafana.com>

docs/sources/explore/simplified-exploration/_index.md

@@ -0,0 +1,18 @@
+---
+description: Use your telemetry data to explore and determine the root cause of issues without performing queries.
+keywords:
+  - Simplified exploration
+  - queryless
+  - Explore apps
+title: Simplified exploration
+menuTitle: Simplified exploration
+weight: 100
+---
+
+# Simplified exploration
+
+Introducing the Grafana Explore apps, designed for effortless data exploration through intuitive, queryless interactions.
+
+Easily explore telemetry signals with these specialized tools, tailored specifically for the Grafana databases to provide quick and accurate insights.
+
+{{< section >}}

docs/sources/explore/simplified-exploration/metrics/index.md

@@ -6,7 +6,8 @@ labels:
     - oss
 title: Explore Metrics
 aliases:
-canonical: https://grafana.com/docs/grafana/latest/explore/explore-metrics/
+  - ../explore-metrics/ # /docs/grafana/latest/explore/explore-metrics/
+canonical: https://grafana.com/docs/grafana/latest/explore/simplified-exploration/metrics/
 description: Explore Metrics lets you browse Prometheus-compatible metrics using an intuitive, queryless experience.
 weight: 200
 ---