Add doc link to README

Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>

Author: mxpv

README.md

@@ -5,6 +5,7 @@
 # luaz
 
 [![CI](https://github.com/mxpv/luaz/actions/workflows/ci.yml/badge.svg)](https://github.com/mxpv/luaz/actions/workflows/ci.yml)
+[![Docs](https://github.com/mxpv/luaz/actions/workflows/docs.yml/badge.svg)](https://github.com/mxpv/luaz/actions/workflows/docs.yml)
 
 `luaz` is a zero-cost wrapper library for [`Luau`](https://github.com/luau-lang/luau).
 Unlike other libraries, it focuses specifically on `Luau`, providing idiomatic `Zig` bindings that leverage Luau's unique
@@ -26,6 +27,12 @@ These tools make it easy to compile, analyze, and embed Luau scripts directly in
 - Built-in Luau tools (`luau-compile` and `luau-analyze`) provided by the build system.
 - Excellent test coverage and API documentation.
 
+## 📚 Documentation
+
+Full API documentation is available at: https://mxpv.github.io/luaz/#luaz.lua
+
+The documentation is automatically updated on every change to the `main` branch.
+
 ## 📖 Usage Examples
 
 ### Basic Usage