Move pages (#2425)

Moved pages for doc site restructure.
Signed-off-by: vagimeli <[email protected]>

_dashboards/gantt.md → _dashboards/visualize/gantt.md

@@ -1,7 +1,11 @@
 ---
 layout: default
-title: Gantt charts
+title: Using Gantt charts
+parent: Visualization types
+grand_parent: Visualize
 nav_order: 60
+redirect_from:
+  - /dashboards/gantt/
 ---
 
 # Gantt charts
@@ -15,7 +19,7 @@ To create a Gantt chart, perform the following steps:
 1. In the visualizations menu, choose **Create visualization** and **Gantt Chart**.
 1. Choose a source for the chart (e.g. some log data).
 1. Under **Metrics**, choose **Event**. For log data, each log is an event.
-1. Select the **Start Time** and **Duration** fields from your data set. The start time is the timestamp for the begining of an event. The duration is the amount of time to add to the start time.
+1. Select the **Start Time** and **Duration** fields from your data set. The start time is the timestamp for the beginning of an event. The duration is the amount of time to add to the start time.
 1. Under **Results**, choose the number of events to display on the chart. Gantt charts sequence events from earliest to latest based on start time.
 1. Choose **Panel settings** to adjust axis labels, time format, and colors.
 1. Choose **Update**.

_dashboards/visbuilder.md → _dashboards/visualize/visbuilder.md

@@ -1,12 +1,14 @@
 ---
 layout: default
-title: VisBuilder
+title: Using VisBuilder
+parent: Visualization types
+grand_parent: Visualize
 nav_order: 50
 redirect_from:
   - /dashboards/drag-drop-wizard/
 ---
 
-# VisBuilder
+# Using VisBuilder
 
 VisBuilder is an experimental feature and shouldn't be used in a production environment. For updates on its progress, or if you want to leave feedback that helps improve the feature, see the [GitHub issue](https://github.com/opensearch-project/OpenSearch-Dashboards/issues/2280).
 {: .warning}