Update banner content hotfix

[ghost]

Title	Description
Task Link	IN - 198113 Updating Banner Content in Documentation
Feature description	To update the content in the overview pages
Analysis and design	N/A
Output screenshots	N/A
Areas affected and ensured	Changes included in introduction.md and overview.md files
Test cases
Testbed sample location	N/A
Additional Checklist	Did you run the automation against your fix? No Is there any API name change? N/A Is there any existing behavior change of other features due to this code change? No. Does your new code introduce new warnings or binding errors? No. Does your code pass all FxCop and StyleCop rules? N/A. Did you record this case in the unit test or UI test? N/A

[SyncfusionBuild]

Build Status: INQUEUE 🕒
Build Location: Update-Banner-Content-Hotfix

[SyncfusionBuild]

Build Status: INPROGRESS 🔃
Build Location: Update-Banner-Content-Hotfix

[SyncfusionBuild]

CI Status: SUCCESS ✅
Source Compilation: SUCCESS ✅
Build Location: Update-Banner-Content-Hotfix
Image Alt Text Error(s): 0
Image Size Error(s): 0
Image Name Error(s): 0
FT Layout Syntax 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