[v9.4.x] Alerting docs: adds declare incident (#62710)

Alerting docs: adds declare incident (#62681)

* Alerting docs: adds declare incident

* adds alert detail view option

(cherry picked from commit 9d07b77532)

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

docs/sources/alerting/alerting-rules/declare-incident-from-alert.md

@@ -0,0 +1,49 @@
+---
+aliases:
+description: Declare an incident from a firing alert
+keywords:
+  - grafana
+  - alert rules
+  - incident
+title: Declare an incident from a firing alert
+weight: 430
+---
+
+# Declare an incident from a firing alert
+
+Declare an incident from a firing alert to streamline your alert to incident workflow.
+
+## Before you begin
+
+- Ensure you have Grafana Incident installed
+- You must have a firing alert
+
+## Procedure
+
+To declare an incident from a firing alert, complete the following steps.
+
+1. Navigate to Alerts & Incidents -> Alerting -> Alert rules.
+2. From the Alert rules list view, click the firing alert that you want to declare an incident for.
+
+   **Note:**
+
+   You can also access **Declare Incident** from the alert details page.
+
+3. Click **Declare Incident**.
+   The **Declare Incident** pop-up opens in the Grafana Incident application.
+4. In the **Declare Incident** pop-up, enter what's going on.
+
+   **Note**: This field is pre-filled with the name of the alert rule, but you can edit it as required.
+
+   The alert rule is also linked to the incident.
+
+5. Select a severity.
+6. Add labels, as required.
+7. Click **More options** to include a channel prefix and status.
+8. Click **Declare Incident**.
+
+## Next steps
+
+View and track the incident in the Grafana Incident application.
+
+For more information, refer to [Grafana Incident documentation.](https://grafana.com/docs/grafana-cloud/incident/configure-settings/)