chore(entropy) Update Gudie to V2 (#770)

* chore(entropy) Update Gudie to V2

* requested changes

Author: aditya520

pages/entropy/generate-random-numbers/evm.mdx

@@ -39,7 +39,7 @@ The Solidity SDK exports two interfaces:
 - [`IEntropyV2`](https://github.com/pyth-network/pyth-crosschain/blob/main/target_chains/ethereum/entropy_sdk/solidity/IEntropyV2.sol) - The interface to interact with the Entropy contract.
   You will need the address of an Entropy contract on your blockchain.
   Consult the current [Entropy contract addresses](../contract-addresses) to find the address on your chain.
-  Once you have a contract address, instantiate an `IEntropyV2` contract in your solidity contract:
+  Once you have a contract address, instantiate an `IEntropyV2{:bash}` contract in your solidity contract:
 
 ```solidity copy
 import { IEntropyConsumer } from "@pythnetwork/entropy-sdk-solidity/IEntropyConsumer.sol";
@@ -62,12 +62,12 @@ To generate a random number, follow these steps.
 
 ### 1. Request a number from Entropy
 
-Invoke the [`requestV2`](https://github.com/pyth-network/pyth-crosschain/blob/main/target_chains/ethereum/entropy_sdk/solidity/IEntropy.sol#L83) method of the `IEntropyV2` contract.
-The `requestV2` method requires paying a fee in native gas tokens which is configured per-provider.
+Invoke the [`requestV2`](https://github.com/pyth-network/pyth-crosschain/blob/main/target_chains/ethereum/entropy_sdk/solidity/IEntropy.sol#L83) method of the `IEntropyV2` interface.
+The `requestV2{:bash}` method requires paying a fee in native gas tokens which is configured per-provider.
 
 The fee differs for every chain and also varies over time depending on the chain's current gas price.
 The current value for each chain can be found on the [Current Fees](../current-fees) page.
-However, you should use the on-chain method [`getFeeV2`](https://github.com/pyth-network/pyth-crosschain/blob/main/target_chains/ethereum/entropy_sdk/solidity/IEntropy.sol#L101) to compute the required fee and send it as the value of the `requestV2` call.
+However, you should use the on-chain method [`getFeeV2`](https://github.com/pyth-network/pyth-crosschain/blob/main/target_chains/ethereum/entropy_sdk/solidity/IEntropy.sol#L101) to compute the required fee and send it as the value of the `requestV2{:bash}` call.
 
 These methods use the default randomness provider ([see here](#randomness-providers) for more info on providers).
 
@@ -83,11 +83,25 @@ function requestRandomNumber() external payable {
 This method returns a sequence number and emits a [`Requested`](https://github.com/pyth-network/pyth-crosschain/blob/main/target_chains/ethereum/entropy_sdk/solidity/EntropyEventsV2.sol#L30) event. You can store this sequence number to identify the request in next step.
 
 Note that there are several variants of `requestV2` that allow the caller to configure the provider fulfilling the request and the gas limit for the callback.
+
+<Callout type="info" emoji="ℹ️">
+Users can also request a random number with a custom gas limit by passing a **custom `gasLimit`** to the `requestV2(uint32 gasLimit){:bash}` call.
+For example,
+```solidity copy
+function requestRandomNumber(uint32 gasLimit) external payable {
+  uint256 fee = entropy.getFeeV2();
+
+uint64 sequenceNumber = entropy.requestV2{ value: fee }(gasLimit);
+}
+
+````
+</Callout>
+
 Please see the method documentation in the [IEntropyV2 interface](https://github.com/pyth-network/pyth-crosschain/blob/main/target_chains/ethereum/entropy_sdk/solidity/IEntropyV2.sol).
 
 ### 2. Implement the Entropy callback
 
-```solidity {28-42} copy
+```solidity {31-45} copy
 pragma solidity ^0.8.0;
 
 import { IEntropyConsumer } from "@pythnetwork/entropy-sdk-solidity/IEntropyConsumer.sol";
@@ -133,7 +147,7 @@ contract YourContract is IEntropyConsumer {
   }
 }
 
-```
+````
 
 When the final random number is ready to use, the entropyCallback function will be called by the Entropy contract. This will happen in a separate transaction submitted by the requested provider.