docs: alerting: clarify which panels support alerts (#88756)

* alerting: clarify which panels support alerts

* changed note placement

* small change to link

* added links

* Update docs/sources/alerting/alerting-rules/create-grafana-managed-rule.md

Co-authored-by: brendamuir <100768211+brendamuir@users.noreply.github.com>

* Update docs/sources/alerting/alerting-rules/create-mimir-loki-managed-rule.md

Co-authored-by: brendamuir <100768211+brendamuir@users.noreply.github.com>

* Update docs/sources/panels-visualizations/visualizations/_index.md

Co-authored-by: brendamuir <100768211+brendamuir@users.noreply.github.com>

* Update docs/sources/panels-visualizations/visualizations/time-series/index.md

Co-authored-by: brendamuir <100768211+brendamuir@users.noreply.github.com>

* Update docs/sources/panels-visualizations/visualizations/time-series/index.md

Co-authored-by: brendamuir <100768211+brendamuir@users.noreply.github.com>

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Co-authored-by: brendamuir <100768211+brendamuir@users.noreply.github.com>

docs/sources/panels-visualizations/visualizations/_index.md

@@ -162,7 +162,7 @@ If you are unsure which visualization to pick, Grafana can provide visualization
 {{< /admonition >}}
 
 - Graphs & charts
-  - [Time series](ref:time-series) is the default and main Graph visualization.
+  - [Time series](ref:time-series) is the default and main graph visualization. Alerts are supported in this panel.
   - [State timeline](ref:state-timeline) for state changes over time.
   - [Status history](ref:status-history) for periodic state over time.
   - [Bar chart](ref:bar-chart) shows any categorical data.