Reapply chart docs for RangeBarSeries, MarkerSize, and Checkmark marker support

[Copilot]

This PR reintroduces previously reverted chart documentation updates for the latest release. It restores missing guidance for RangeBarSeries, marker sizing via MarkerSize, and the Checkmark marker type across xplat docs and changelogs.

• Chart markers documentation (EN)

  • Added a new Marker Size section to document MarkerSize behavior, supported series, reset behavior (NaN), and a sample link.
  • Added a Checkmark Marker Type section describing:
    • MarkerType.Checkmark
    • MarkerAutomaticBehavior.Checkmark
    • SeriesViewer.CheckmarkMarkerTemplate
  • File: docs/xplat/src/content/en/components/charts/features/chart-markers.mdx

• Range bar documentation

  • Added a dedicated Range Bar Chart section with usage context and data binding guidance for RangeBarSeries.
  • Added RangeBarSeries to API references in the same topic.
  • Included Range Bar entry in chart performance chart-type listing.
  • Files:
    • docs/xplat/src/content/en/components/charts/types/bar-chart.mdx
    • docs/xplat/src/content/en/components/charts/features/chart-performance.mdx

• Release notes/changelog synchronization (EN + JP, all xplat variants)

  • Added changelog entries for:
    • Checkmark marker support
    • MarkerSize support
    • RangeBarSeries support
  • Files:
    • docs/xplat/src/content/en/components/general-changelog-dv*.mdx
    • docs/xplat/src/content/jp/components/general-changelog-dv*.mdx

<IgrScatterLineSeries
  markerType="Checkmark"
  markerSize={30}
  xMemberPath="X"
  yMemberPath="Y"
/>