fix: change rust to move for code example

unit-five/lessons/2_hot_potato_pattern.md

@@ -4,7 +4,7 @@ A hot potato is a struct that has no capabilities, therefore you can only pack a
 
 ## Type Definitions
 
-```rust
+```move
 module flashloan::flashloan {
     // === Imports ===
     use sui::sui::SUI;
@@ -38,7 +38,7 @@ We have a `LoanPool` shared object acting as a money vault ready for users to bo
 
 ## Borrow
 
-```rust
+```move
 /// Function allows users to borrow from the loan pool.
 /// It returns the borrowed [`Coin<SUI>`] and the [`Loan`] position
 /// enforcing users to fulfill before the PTB ends.
@@ -58,7 +58,7 @@ Users can borrow the money from the `LoanPool` by calling `borrow()`. Basically,
 
 ## Repay
 
-```rust
+```move
 /// Repay the loan
 /// Users must execute this function to ensure the loan is repaid before the transaction ends.
 public fun repay(pool: &mut LoanPool, loan: Loan, payment: Coin<SUI>) {
@@ -75,7 +75,7 @@ Users at some point must `repay()` the loan before the PTB ends. We consume the
 
 Let's try to create an example with flashloan where we borrow some SUI amount, use it to mint a dummy NFT and sell it to repay the debt. We will learn how to use PTB with Sui CLI to execute this all in one transaction.
 
-```rust
+```move
 /// A dummy NFT to represent the flashloan functionality
 struct NFT has key{
     id: UID,

unit-five/lessons/4_kiosk_basic_usage.md

@@ -7,7 +7,7 @@ Let's first deploy the example kiosk smart contract and export the package ID fo
 export KIOSK_PACKAGE_ID=<Package ID of example kiosk smart contract>
 ```
 
-```rust
+```move
 module kiosk::kiosk {
     use sui::kiosk::{Self, Kiosk, KioskOwnerCap};
     use sui::tx_context::{TxContext};
@@ -39,7 +39,7 @@ _💡Note: Kiosk is heterogenous collection by default so that's why it doesn't
 
 ## Place Item inside Kiosk
 
-```rust
+```move
 struct TShirt has key, store {
     id: UID,
 }
@@ -60,7 +60,7 @@ We can use `kiosk::place()` API to place an item inside kiosk. Remember that onl
 
 ## Withdraw Item from Kiosk
 
-```rust
+```move
 /// Withdraw item from Kiosk
 public fun withdraw(kiosk: &mut Kiosk, cap: &KioskOwnerCap, item_id: object::ID): TShirt {
     kiosk::take(kiosk, cap, item_id)
@@ -71,7 +71,7 @@ We can use `kiosk::take()` API to withdraw an item from kiosk. Remember that onl
 
 ## List Item for Sale
 
-```rust
+```move
 /// List item for sale
 public fun list(kiosk: &mut Kiosk, cap: &KioskOwnerCap, item_id: object::ID, price: u64) {
     kiosk::list<TShirt>(kiosk, cap, item_id, price)

unit-five/lessons/5_transfer_policy.md

@@ -7,7 +7,7 @@ In this section, we will learn how to create a `TransferPolicy` and use it to en
 
 `TransferPolicy` for type `T` must be created for that type `T` to be tradeable in the Kiosk system. `TransferPolicy` is a shared object acting as a central authority enforcing everyone to check their purchase is valid against the defined policy before the purchased item is transferred to the buyers.
 
-```rust
+```move
 use sui::tx_context::{TxContext, sender};
 use sui::transfer_policy::{Self, TransferRequest, TransferPolicy, TransferPolicyCap};
 use sui::package::{Self, Publisher};
@@ -56,7 +56,7 @@ _💡Note: There is a standard approach to implement the rules. Please checkout
 
 #### Rule Witness & Rule Config
 
-```rust
+```move
 module kiosk::fixed_royalty_rule {
     /// The `amount_bp` passed is more than 100%.
     const EIncorrectArgument: u64 = 0;
@@ -83,7 +83,7 @@ module kiosk::fixed_royalty_rule {
 
 #### Add Rule to TransferPolicy
 
-```rust
+```move
 /// Function that adds a Rule to the `TransferPolicy`.
 /// Requires `TransferPolicyCap` to make sure the rules are
 /// added only by the publisher of T.
@@ -108,7 +108,7 @@ sui client call --package $KIOSK_PACKAGE_ID --module fixed_royalty_rule --functi
 
 #### Satisfy the Rule
 
-```rust
+```move
 /// Buyer action: Pay the royalty fee for the transfer.
 public fun pay<T: key + store>(
     policy: &mut TransferPolicy<T>,
@@ -145,7 +145,7 @@ We need a helper `fee_amount()` to calculate the royalty fee given the policy an
 
 ## Buy Item from Kiosk
 
-```rust
+```move
 use sui::transfer_policy::{Self, TransferRequest, TransferPolicy};
 
 /// Buy listed item