FLUT-945517: Add PDFSource content

[immankumarsync]

Description

• Added UG content for PDFSource API
• Revamped the getting started page

[SyncfusionBuild]

Build Status: INPROGRESS 🔃
Build Location: FLUT-945517-pdfviewer

[SyncfusionBuild]

CI Status: FAILURE ❌
Source Compilation: SUCCESS ✅
Failure Reason: CI Failure with violation
Build Location: FLUT-945517-pdfviewer
Technical Error(s): 0
Spelling Error(s): 1
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): 7
File Path Error(s): 2
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: FLUT-945517-pdfviewer

[SyncfusionBuild]

CI Status: FAILURE ❌
Source Compilation: SUCCESS ✅
Failure Reason: CI Failure with violation
Build Location: FLUT-945517-pdfviewer
Technical Error(s): 0
Spelling Error(s): 1
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): 7
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

[Syncfusion-CI]

Build Status: INQUEUE 🕒
Build Location: FLUT-945517-pdfviewer

[Syncfusion-CI]

Build Status: INPROGRESS 🔃
Build Location: FLUT-945517-pdfviewer

[Syncfusion-CI]

CI Status: FAILURE ❌
Source Compilation: SUCCESS ✅
Failure Reason: CI Failure with violation
Build Location: FLUT-945517-pdfviewer
Technical Error(s): 0
Spelling Error(s): 1
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): 1
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

[Syncfusion-CI]

Build Status: INPROGRESS 🔃
Build Location: FLUT-945517-pdfviewer

[SyncfusionBuild]

CI Status: FAILURE ❌
Source Compilation: SUCCESS ✅
Failure Reason: CI Failure with violation
Build Location: FLUT-945517-pdfviewer
Technical Error(s): 0
Spelling Error(s): 1
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): 1
CodeSnippet File Path Missing Error(s): 0
Toc Anchor Tags Validation Error(s): 0
MD Tag Validation Error(s): 0

[SyncfusionBuild]

Build Status: INQUEUE 🕒
Build Location: FLUT-945517-pdfviewer

[SyncfusionBuild]

Build Status: INPROGRESS 🔃
Build Location: FLUT-945517-pdfviewer

[SyncfusionBuild]

CI Status: SUCCESS ✅
Source Compilation: SUCCESS ✅
Build Location: FLUT-945517-pdfviewer
Technical Error(s): 0
Spelling Error(s): 0
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