Fix broken link and other minor fixes (#780)

burn-book/src/building-blocks/config.md

@@ -26,7 +26,7 @@ pub struct MyModuleConfig {
 The derive also adds useful `with_` methods for every attribute of your config, similar to a builder
 pattern, along with a `save` method.
 
-```rust
+```rust, ignore
 fn main() {
     let config = MyModuleConfig::new(512, 2048);
     println!("{}", config.d_model); // 512
@@ -44,7 +44,7 @@ fn main() {
 The interest of the Config pattern is to be able to easily create instances, factoried from this
 config. In that optic, initialization methods should be implemented on the config struct.
 
-```rust
+```rust, ignore
 impl MyModuleConfig {
     /// Create a module with random weights.
     pub fn init(&self) -> MyModule {
@@ -69,6 +69,6 @@ impl MyModuleConfig {
 
 Then we could add this line to the above `main`:
 
-```rust
+```rust, ignore
 let my_module = config.init()
 ```

burn-book/src/custom-training-loop.md

@@ -202,7 +202,7 @@ where
 
 This will result in the following compilation error:
 
-```
+```console
 1. the type parameter `B` is not constrained by the impl trait, self type, or predicates
    unconstrained type parameter [E0207]
 ```

burn-book/src/getting-started.md

@@ -53,7 +53,7 @@ operations on every platform, using the GPU.
 
 Now open `src/main.rs` and replace its content with
 
-```rust
+```rust, ignore
 use burn::tensor::Tensor;
 use burn::backend::WgpuBackend;
 

burn-book/src/import/onnx-model.md

@@ -72,7 +72,7 @@ Below is a step-by-step guide to importing an ONNX model into a Burn-based proje
 
 Include the `burn-import` crate and use the following Rust code in your `build.rs`:
 
-```rust
+```rust, ignore
 use burn_import::onnx::ModelGen;
 
 fn main() {
@@ -88,7 +88,7 @@ fn main() {
 
 Add this code to the `mod.rs` file located in `src/model`:
 
-```rust
+```rust, ignore
 pub mod mnist {
     include!(concat!(env!("OUT_DIR"), "/model/mnist.rs"));
 }
@@ -98,7 +98,7 @@ pub mod mnist {
 
 Here's how to use the imported model in your application:
 
-```rust
+```rust, ignore
 mod model;
 
 use burn::tensor;

burn-book/src/overview.md

@@ -12,12 +12,12 @@ advanced user or a beginner. We have crafted some sections for you:
 - [Building Blocks](./building-blocks): Dive deeper into Burn's core components, understanding how
   they fit together. This knowledge forms the basis for more advanced usage and customization.
 
-- [Custom Training Loop](./custom-training-loop): Gain the power to customize your training loops,
-  fine-tuning your models to meet your specific requirements. This section empowers you to harness
-  Burn's flexibility to its fullest.
+- [Custom Training Loop](./custom-training-loop.md): Gain the power to customize your training
+  loops, fine-tuning your models to meet your specific requirements. This section empowers you to
+  harness Burn's flexibility to its fullest.
 
-- [Import ONNX Model](./import): Learn how to seamlessly import models from ONNX, expanding your
-  compatibility with other deep learning ecosystems.
+- [Import ONNX Model](./import/onnx-model.md): Learn how to seamlessly import models from ONNX,
+  expanding your compatibility with other deep learning ecosystems.
 
 - [Advanced](./advanced): Finally, venture into advanced topics, exploring Burn's capabilities at
   their peak. This section caters to those who want to push the boundaries of what's possible with