refactor: update file paths in documentation and restructure usage section

Author: ya7010

docs/docs/examples/check_version.py renamed to docs/docs/codes/check-version.py

@@ -28,12 +28,12 @@ A modern Python library for creating beautiful PowerPoint presentations with cod
 ## Quick Start
 
 ```python
---8<-- "examples/quick-start.py"
+--8<-- "codes/quick-start.py"
 ```
 
 ## Getting Started
 
-To get started with TPPT, check out the [Installation](installation.md) guide and [Usage](usage.md) documentation.
+To get started with TPPT, check out the [Installation](installation.md) guide and [Usage](usage/index.md) documentation.
 
 ## License
 

docs/docs/examples/quick-start.py renamed to docs/docs/codes/quick-start.py

@@ -128,5 +128,5 @@ For development purposes:
 You can verify the installation by running:
 
 ```python
---8<-- "examples/check_version.py"
+--8<-- "codes/check-version.py"
 ``` 

docs/docs/index.md

@@ -0,0 +1,5 @@
+# Chart
+
+🚧 **Under Construction** 🚧
+
+> This feature is currently in development. Stay tuned for updates!

docs/docs/installation.md

@@ -0,0 +1 @@
+