doc: Fix links and Rust highlightning

docs/src/prerequisites/index.md

@@ -2,8 +2,8 @@
 
 To run `wasm-pack` you'll need to have both Rust and npm installed and configured.
 
-- [Rust](./rust.html)
-- [npm](./npm.html)
+- [Rust](./prerequisites/rust.html)
+- [npm](./prerequisites/npm.html)
 
 In the future, we intend to rewrite the npm registry client bits so that the need
 for a Node runtime is eliminated. If you're excited about that work- you should

docs/src/tutorial/index.md

@@ -10,8 +10,8 @@ Be sure to have done the following before starting:
 1. [Install `wasm-pack`](../../installer)
 1. Read and install the [Prerequisites](../prerequisites/index.html).
 
-    - You'll need [Rust], version 1.30 or higher. (Currently either `beta` or `nightly` channels). [Learn more](../project-setup/rust.html).
-    - You'll need [Node.js] and [npm] installed. You'll also need an npm Account. [Learn more](../project-setup/npm.html).
+    - You'll need [Rust], version 1.30 or higher. (Currently either `beta` or `nightly` channels). [Learn more](../prerequisites/rust.html).
+    - You'll need [Node.js] and [npm] installed. You'll also need an npm Account. [Learn more](../prerequisites/npm.html).
 
 ⚠️ We strongly recommend that you install [Node.js] using a version manager. You can learn more [here](https://npmjs.com/get-npm).
 

docs/src/tutorial/template-deep-dive/src-utils-rs.md

@@ -13,13 +13,13 @@ We will discuss:
 
 ## 1. Defining `set_panic_hook`
 
-```
+```rust
 use cfg_if::cfg_if;
 ```
 
 This allows us to write `cfg_if!` instead of `cfg_if::cfg_if!`, identically to the line in `src/lib.rs`.
 
-```
+```rust
 cfg_if! {
     if #[cfg(feature = "console_error_panic_hook")] {
         extern crate console_error_panic_hook;
@@ -35,14 +35,14 @@ As described in the preceding section, the macro `cfg_if!` evaluates the `if` st
 
 The entire macro block will either be replaced with the statements in the `if` block or with those in the `else` block. These two cases are now described in turn:
 
-```
+```rust
 extern crate console_error_panic_hook;
 pub use self::console_error_panic_hook::set_once as set_panic_hook;
 ```
 
 Due to the `use` statement, the function `self::console_error_panic_hook::set_once` can now be accessed more conveniently as `set_panic_hook`. Due to `pub`, this function will be publicly accessible outside of the `utils` module as `utils::set_panic_hook`.
 
-```
+```rust
 #[inline]
 pub fn set_panic_hook() {}
 ```