Added the LWGL compilation manual

doc/lwjgl-apple-silicon-compilation.md

@@ -0,0 +1,25 @@
+# How to compile LWJGL2 for Apple Silicon
+LWJGL2 does not provide official native ARM support, therefore Ocelot uses a specially modified version by **shadowfacts**
+
+Article: https://shadowfacts.net/2022/lwjgl-arm64/
+
+Repository: https://github.com/shadowfacts/lwjgl2-arm64
+
+This procedure is completely optional, as the precompiled library is already checked into the repository at `lib/native/liblwjgl-arm64.dylib`
+
+## Compilation
+This assumes that you are running macOS on **Apple Silicon** *(cross-compiling LWJGL seems to be impossible)*
+
+1. Acquire a JDK8 built for ARM - for example, [Zulu 8 JDK](https://www.azul.com/downloads/?version=java-8-lts&os=macos&architecture=arm-64-bit&package=jdk#zulu), and add it to your `JAVA_HOME`
+2. Get [`maven`](https://maven.apache.org/) and [`ant`](https://ant.apache.org/) - you may install them via `brew`, but be careful, as they will try to install a JDK as a dependency
+3. Clone the LWJGL repository: 
+```bash
+% git clone https://github.com/shadowfacts/lwjgl-arm64.git
+```
+4. Run the following commands in the repo:
+```bash
+% ant generate-all
+% ant jars
+% ant compile-native
+```
+5. Copy the compiled library from `libs/macosx/liblwjgl.dylib` into the `ocelot-desktop` project as `lib/native/liblwjgl-arm64.dylib`