Documentation(1013996) : UG Documentation Content for Smart Data Extractor

[VenkateshwaranSF5013]

This PR introduces the drafted UG documentation content for Smart Data Extractor. The changes include:

• Added structured UG content covering usage and workflows.
• Organized documentation in the required folder hierarchy.
• Created .md files and linked them in HTML according to the folder structure.

[SyncfusionBuild]

Build Status: INPROGRESS 🔃
Build Location: 1013996-SmartDataExtractor

[SyncfusionBuild]

CI Status: FAILURE ❌
Source Compilation: SUCCESS ✅
Failure Reason: CI Failure with violation
Build Location: 1013996-SmartDataExtractor
Technical Error(s): 0
Spelling Error(s): 4
Image Alt Text Error(s): 0
Image Size Error(s): 0
Image Name Error(s): 0
Front matter Error(s): 25
File Path Error(s): 1
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: 1013996-SmartDataExtractor

[SyncfusionBuild]

CI Status: FAILURE ❌
Source Compilation: SUCCESS ✅
Failure Reason: CI Failure with violation
Build Location: 1013996-SmartDataExtractor
Technical Error(s): 0
Spelling Error(s): 4
Image Alt Text Error(s): 0
Image Size Error(s): 0
Image Name Error(s): 0
Front matter Error(s): 19
File Path Error(s): 1
CodeSnippet File Path Missing Error(s): 0
Toc Anchor Tags Validation Error(s): 0
MD Tag Validation Error(s): 0