Expand documentation with comprehensive guides and blog series plan

DocC Documentation:
- Add RowSelection.md: delegate callbacks, selection handling
- Add Styling.md: colors, spacing, appearance customization
- Add ConfigurationReference.md: complete property reference
- Add AdvancedPatterns.md: real-world combination examples
- Update landing page: more welcoming, clearer value proposition

README:
- Add documentation link to GitHub Pages

Blog Series Plan:
- 8-part tutorial series from beginner to advanced
- Detailed outlines for first 3 posts
- Content guidelines, promotion strategy, timeline

Author: pavankataria

README.md

@@ -48,6 +48,10 @@ Display grid-like data with sorting, searching, and smooth animations - all in j
 
 > **New in v0.9.0**: Type-safe columns, animated diffing, self-sizing cells for 100k+ rows, and more.
 
+## Documentation
+
+**[View Full Documentation](https://pavankataria.github.io/SwiftDataTables/)** - Comprehensive guides from beginner to advanced, complete API reference, and real-world examples.
+
 ## Why SwiftDataTables?
 
 - **Drop-in ready** - Add a full-featured data table in 5 lines of code