feat: link to rust doc in documentation (NethermindEth#139)

src/ch00/basics/documentation.md

@@ -4,6 +4,10 @@ It's important to take the time to document your code. It will helps developers
 
 In Cairo, you can add comments with `//`.
 
+### Best Practices:
+
+Since Cairo 1, the community has adopted a [Rust-like documentation style](https://doc.rust-lang.org/rust-by-example/meta/doc.html).
+
 ### Contract Interface:
 
 In smart contracts, you will often have a trait that defines the contract's interface (with `#[starknet::interface]`).
@@ -15,10 +19,12 @@ trait IContract<TContractState> {
     /// High-level description of the function
     ///
     /// # Arguments
+    ///
     /// * `arg_1` - Description of the argument
     /// * `arg_n` - ...
     ///
     /// # Returns
+    ///
     /// High-level description of the return value
     fn do_something(ref self: TContractState, arg_1: T_arg_1) -> T_return;
 }