added holesky docs and public images for the same

docs/src/content/docs/faq/how-to-get-weth-on-holesky.mdx

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+---
+title: How to Get WETH on Holesky/Sepolia for testnet app
+---
+
+import { Image } from "astro:assets";
+
+This guide will walk you through how to convert ETH to WETH on the Holesky testnet using the official WETH contract.
+
+You’ll need to have ETH on Holesky and a Web3 wallet like MetaMask connected to the Holesky network.
+
+---
+
+## Prerequisites
+
+Before you start, make sure you have ETH on Holesky.
+
+If you don’t, you can claim ETH from the following faucets:
+
+- [Alchemy Holesky Faucet](https://alchemy.com/faucets/holesky)
+- [Google Cloud Faucet](https://cloud.google.com/application/web3/faucet)
+
+Also, confirm your wallet is connected to the Holesky testnet.
+
+---
+
+## Convert ETH to WETH
+
+1. Open the official WETH contract on Holesky Etherscan:  
+   [https://holesky.etherscan.io/address/0x94373a4919b3240d86ea41593d5eba789fef3848](https://holesky.etherscan.io/address/0x94373a4919b3240d86ea41593d5eba789fef3848)
+
+2. Scroll to the **Contract** section.
+
+<Image src="/faq/holesky-01.png" width="3500" height="1400" alt="holesky-01" />
+
+3. Click the **Write Contract** tab.
+
+<Image src="/faq/holesky-02.png" width="3500" height="1400" alt="holesky-01" />
+
+4. Click **Connect to Web3** and connect your wallet.
+
+<Image src="/faq/holesky-04.png" width="3500" height="1400" alt="holesky-01" />
+
+5. Locate the `deposit()` function.
+
+<Image src="/faq/holesky-05.png" width="3500" height="1400" alt="holesky-01" />
+
+6. Enter the amount of ETH you want to convert to WETH.  
+   Make sure you have enough ETH to cover the amount and gas fees.
+
+7. Click **Write** and approve the transaction in your wallet.
+
+<Image src="/faq/holesky-06.png" width="3500" height="1400" alt="holesky-01" />
+
+---
+
+## Add WETH Token to MetaMask (Optional)
+
+If WETH doesn’t appear in your wallet after the transaction, add it manually:
+
+- **Token Contract Address**: `0x94373a4919B3240D86eA41593D5eBa789FEF3848`
+
+<Image src="/faq/holesky-03.png" width="3500" height="1400" alt="holesky-01" />
+
+---
+
+## Note on Sepolia Testnet
+
+The same steps outlined above also apply if you're using the Sepolia testnet instead of Holesky. You will follow the same process on [Sepolia Etherscan](https://sepolia.etherscan.io/address/0x7b79995e5f793A07Bc00c21412e50Ecae098E7f9), using the WETH contract address for Sepolia:
+
+- **The official WETH contract on Sepolia Etherscan:** [https://sepolia.etherscan.io/address/0x7b79995e5f793A07Bc00c21412e50Ecae098E7f9](https://sepolia.etherscan.io/address/0x7b79995e5f793A07Bc00c21412e50Ecae098E7f9)
+- **Sepolia WETH Contract Address**: `0x7b79995e5f793A07Bc00c21412e50Ecae098E7f9`
+
+Ensure you are connected to the Sepolia network in your wallet and have Sepolia ETH from a faucet. Everything else, including writing to the deposit function, remains the same.
+