Link to Cargo Book for more info about build scripts

docs/beginner/tutorial3-pipeline/README.md

@@ -384,7 +384,7 @@ let fs_module = device.create_shader_module(wgpu::include_spirv!("shader.frag.sp
 
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-I'm glossing over the code in the build script as this guide is focused on wgpu related topics. Designing build scripts is a topic in and of itself, and going into it in detail would be quite a long tangent.
+I'm glossing over the code in the build script as this guide is focused on wgpu related topics. Designing build scripts is a topic in and of itself, and going into it in detail would be quite a long tangent. You can learn more about build scripts in [The Cargo Book](https://doc.rust-lang.org/cargo/reference/build-scripts.html).
 
 </div>