Update README.md

.github/workflows/doxygen.yml

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   workflow_dispatch:
   push:
     branches:
-    - docs
+    - asio
 
 name: Build doxygen documentation
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README.md

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 # Pine
 
-Pine is a modern and lightweight Windows chat/forum application built with the
-[Windows App SDK](https://docs.microsoft.com/windows/apps/windows-app-sdk/), and
-[WinUI3](https://docs.microsoft.com/windows/apps/winui/winui3/).
+Pine is a modern and lightweight C++20 library for building chat applications.
 
-Server side is built on
-[WinSocks2](https://learn.microsoft.com/en-us/windows/win32/winsock/windows-sockets-start-page-2).
+It uses its own protocol, which is based on TCP using asio. Therefore, it is 
+not suitable for use on the web.
+
+It is multi-threaded and uses asynchronous I/O, and is designed to be
+easily extensible.
+
+## Building
+
+_Build will not work if using clang_
+
+It is recommended to use [vcpkg](https://github.com/microsoft/vcpkg) to install
+dependencies. Pine uses CMake as its build system. To build Pine, run the
+following commands:
+
+Dependencies:
+
+```bash
+vcpkg install asio:x64-windows gtest:x64-windows
+vcpkg install asio:x64-linux gtest:x64-linux
+```
+
+```bash
+mkdir build
+cd build
+cmake .. -DCMAKE_TOOLCHAIN_FILE=<path to vcpkg>/scripts/buildsystems/vcpkg.cmake
+cmake --build .
+```