Improved ug conImproved Circular chart UG content using Syncfusion Continue AItent

[ghost]

Description

1. Updated the UG content for the Circular,charts controls.
2. Ensured the following points.

• Checked API link - Remove tab tesxt.
• Checked Images.
• Checked spelling's, Grammer and sentence format.

[SyncfusionBuild]

Build Status: INPROGRESS 🔃
Build Location: Update-circular-chart-content-hotfix

[SyncfusionBuild]

CI Status: FAILURE ❌
Source Compilation: SUCCESS ✅
Failure Reason: CI Failure with violation
Build Location: Update-circular-chart-content-hotfix
Technical Error(s): 0
Spelling Error(s): 0
Image Alt Text Error(s): 0
Image Size Error(s): 0
Image Name Error(s): 0
Front matter Error(s): 2
File Path Error(s): 0
CodeSnippet File Path Missing Error(s): 0
Toc Anchor Tags Validation Error(s): 0
MD Tag Validation Error(s): 0

[SyncfusionBuild]

Build Status: INPROGRESS 🔃
Build Location: Update-circular-chart-content-hotfix

[SyncfusionBuild]

CI Status: SUCCESS ✅
Source Compilation: SUCCESS ✅
Build Location: Update-circular-chart-content-hotfix
Technical Error(s): 0
Spelling Error(s): 0
Image Alt Text Error(s): 0
Image Size Error(s): 0
Image Name Error(s): 0
Front matter Error(s): 0
File Path Error(s): 0
CodeSnippet File Path Missing Error(s): 0
Toc Anchor Tags Validation Error(s): 0
MD Tag Validation Error(s): 0