Add mode and fix YAML indentation (#6936) (#6937)

(cherry picked from commit 6ead6f7)

Co-authored-by: Clayton Cornell <[email protected]>

Author: grafanabot

docs/sources/flow/tasks/configure/configure-kubernetes.md

@@ -99,6 +99,7 @@ Use this method if you prefer to embed your {{< param "PRODUCT_NAME" >}} configu
 
    ```yaml
    agent:
+     mode: "flow"
      configMap:
        content: |-
          // Write your Agent config here:
@@ -142,7 +143,8 @@ Use this method if you prefer to write your {{< param "PRODUCT_NAME" >}} configu
 1. Modify Helm Chart's configuration in your `values.yaml` to use the existing ConfigMap:
 
    ```yaml
-     agent:
+   agent:
+     mode: "flow"
      configMap:
        create: false
        name: agent-config