Readme: updated product description; added documentation link

Author: TheMostDiligent

README.md

@@ -1,10 +1,11 @@
 # Diligent Core [![Tweet](https://img.shields.io/twitter/url/http/shields.io.svg?style=social)](https://twitter.com/intent/tweet?text=An%20easy-to-use%20cross-platform%20graphics%20library%20that%20takes%20full%20advantage%20of%20%23Direct3D12%20and%20%23VulkanAPI&url=https://github.com/DiligentGraphics/DiligentEngine) <img src="media/diligentgraphics-logo.png" height=64 align="right" valign="middle">
 
-Diligent Core is a modern cross-platfrom low-level graphics API that makes the foundation of the [Diligent Engine](https://github.com/DiligentGraphics/DiligentEngine).
-The module implements Direct3D11, Direct3D12, OpenGL, OpenGLES, and Vulkan rendering backends (Metal implementation is available for commercial clients),
-as well as basic platform-specific utilities. It is self-contained and can be built by its own.
-Please refer to the [main repository](https://github.com/DiligentGraphics/DiligentEngine) for information about the supported platforms and features,
-build instructions, etc.
+Diligent Core is a modern, cross-platform low-level graphics API that forms the foundation of [Diligent Engine](https://github.com/DiligentGraphics/DiligentEngine).
+It provides implementations for Direct3D11, Direct3D12, OpenGL, OpenGLES, Vulkan, and WebGPU rendering backends.
+A Metal backend is also available for commercial clients. In addition, the module includes essential platform-specific utilities.
+Diligent Core is fully self-contained and can be built independently of the rest of the engine.
+For details on supported platforms, features, and build instructions, please refer to the 
+[main repository](https://github.com/DiligentGraphics/DiligentEngine).
 
 | Platform             | Build Status  |
 | ---------------------| ------------- |
@@ -24,6 +25,7 @@ build instructions, etc.
 [![CodeQL Scanning](https://github.com/DiligentGraphics/DiligentCore/actions/workflows/codeql.yml/badge.svg?branch=master)](https://github.com/DiligentGraphics/DiligentCore/actions/workflows/codeql.yml?query=branch%3Amaster)
 [![MSVC Analysis](https://github.com/DiligentGraphics/DiligentCore/actions/workflows/msvc_analysis.yml/badge.svg?branch=master)](https://github.com/DiligentGraphics/DiligentCore/actions/workflows/msvc_analysis.yml?query=branch%3Amaster)
 [![Lines of code](https://sloc.xyz/github/DiligentGraphics/DiligentCore)](https://github.com/DiligentGraphics/DiligentCore)
+[![Documentation](https://img.shields.io/badge/Documentation-blue)](https://diligentgraphics.github.io/docs)
 
 
 # Table of Contents