feat: enhance documentation with a modern introduction and detailed features overview

Author: ya7010

docs/docs/index.md

@@ -1,13 +1,35 @@
-# Welcome to TPPT Documentation
+# About
 
-TPPT (Typed Python PowerPoint Tool) is a Python library for creating and manipulating PowerPoint presentations with type safety.
+✨ TPPT (Typed Python PowerPoint Tool) ✨
+
+A modern Python library for creating beautiful PowerPoint presentations with code! 🚀
 
 ## Features
 
-- Type-safe PowerPoint presentation creation
-- Support for various Python versions (3.11+)
-- Rich set of features for slide manipulation
-- Extensible architecture
+📝 Write presentations in a clean, declarative style
+🛡️ Type-safe and Python 3.11+ ready
+🎨 Build beautiful slides with confidence
+💡 Focus on what matters: your content
+
+- 🎯 **Advanced Slide Manipulation**
+  - Create, modify, and delete slides programmatically
+  - Support for all PowerPoint elements (text, shapes, images, charts)
+  - Dynamic content generation
+
+- 🔄 **Template Management**
+  - Reusable slide templates
+  - Style inheritance
+  - Theme customization
+
+- 📊 **Data Integration**
+  - Seamless integration with pandas/polars DataFrames
+  - Dynamic chart generation
+  - Data-driven presentations
+
+- 🛠️ **Developer Experience**
+  - Comprehensive type hints
+  - Detailed error messages
+  - Extensive documentation
 
 ## Quick Start
 

docs/mkdocs.yml

@@ -21,7 +21,6 @@ theme:
   features:
     - navigation.tabs
     - navigation.sections
-    - navigation.top
     - navigation.next
     - navigation.previous
     - search.suggest
@@ -78,8 +77,9 @@ markdown_extensions:
       permalink: true
 
 nav:
-  - Home: index.md
-  - Installation: installation.md
+  - Home:
+      - About: index.md
+      - Installation: installation.md
   - Usage: usage.md
   - API Reference: api/tppt.md
   - Examples: examples.md