fix: use base paths

docs/onboarding/17 Engine/0 Overview.mdx

@@ -4,7 +4,6 @@ title: Overview
 ---
 
 import QuickstartCard from "@components/QuickstartCard";
-import OverviewImage from "./assets/engine-overview.png";
 
 Engine is a backend HTTP server that calls smart contracts using your managed backend wallets.
 
@@ -20,7 +19,7 @@ Engine is a backend HTTP server that calls smart contracts using your managed ba
 Engine is fully [open-sourced](https://github.com/thirdweb-dev/engine) and [self-hosted](/engine/getting-started). We're improving it daily and welcome your feedback in our [Discord](https://discord.gg/thirdweb)!
 
 <figure>
-  <img src={OverviewImage} width="400px" alt="Engine overview" />
+  <img src="/assets/engine/engine-overview.png" width="400px" alt="Engine overview" />
   <figcaption style={{ fontSize: '12px' }}>Your backend calls Engine to interact with any EVM blockchain.</figcaption>
 </figure>
 

docs/onboarding/17 Engine/4 FAQ.mdx

@@ -51,7 +51,7 @@ If a transaction is has not yet been mined or failed, cancel the transaction wit
 
 Or to cancel a transaction in the Engine dashboard, select the **Cancel transaction** button next to the status in the **Transactions** table.
 
-![Cancel transaction button](./assets/cancel-transaction-button.png)
+![Cancel transaction button](/assets/engine/cancel-transaction-button.png)
 
 #### How do I customize RPC URLs?
 

docs/onboarding/17 Engine/Guides/0 Airdrop NFTs.mdx

@@ -7,13 +7,12 @@ import QuickstartCard from "@components/QuickstartCard";
 import Tabs from "@theme/Tabs";
 import TabItem from "@theme/TabItem";
 import CodeBlock from "@theme/CodeBlock";
-import OverviewImage from "../assets/airdrop-overview.png";
 
 Engine makes it effortless for any developer to airdrop NFTs at scale. You sponsor the gas so your users only need a wallet address!
 
 > This guide references Polygon Mumbai testnet and NextJS but is applicable for any EVM chain and full-stack framework.
 
-<img src={OverviewImage} width="600px" alt="Airdrop overview" />
+<img src="/assets/engine/airdrop-overview.png" width="600px" alt="Airdrop overview" />
 
 ## Prerequisites
 
@@ -99,14 +98,14 @@ export async function POST(request: Request) {
 Here’s what the user flow looks like.
 
 The app prompts the user to connect their wallet.
-![Initial page load](../assets/airdrop-nfts-1.png)
-![The app prompts the user to connect their wallet.](../assets/airdrop-nfts-2.png)
+![Initial page load](/assets/engine/airdrop-nfts-1.png)
+![The app prompts the user to connect their wallet.](/assets/engine/airdrop-nfts-2.png)
 
 A user presses claim.
-![A user presses claim.](../assets/airdrop-nfts-3.png)
+![A user presses claim.](/assets/engine/airdrop-nfts-3.png)
 
 They'll receive the NFT in their wallet shortly!
-![They'll receive the NFT in their wallet shortly!](../assets/airdrop-nfts-4.png)
+![They'll receive the NFT in their wallet shortly!](/assets/engine/airdrop-nfts-4.png)
 
 ## Full code example
 

docs/onboarding/17 Engine/Guides/1 NFT Checkout.mdx

@@ -7,7 +7,6 @@ import QuickstartCard from "@components/QuickstartCard";
 import Tabs from "@theme/Tabs";
 import TabItem from "@theme/TabItem";
 import CodeBlock from "@theme/CodeBlock";
-import OverviewImage from "../assets/nft-checkout-overview.png";
 
 This guide uses thirdweb Engine to sell NFTs with credit card:
 
@@ -19,7 +18,7 @@ The buyer receives the NFT without requiring wallet signatures or gas funds.
 
 > This guide references Polygon Mumbai testnet and NextJS but is applicable for any EVM chain and full-stack framework.
 
-<img src={OverviewImage} width="600px" alt="NFT checkout overview" />
+<img src="/assets/engine/nft-checkout-overview.png" width="600px" alt="NFT checkout overview" />
 
 ## Prerequisites
 
@@ -194,16 +193,16 @@ Navigate to the [Stripe webhooks dashboard (test mode)](https://dashboard.stripe
 Here’s what the user flow looks like.
 
 The buyer is prompted to provide their credit card.
-![Initial page load](../assets/nft-checkout-1.png)
+<img src="/assets/engine/nft-checkout-1.png" alt="Initial page load" width="400px" />
 
 They provide their card details.
 
 > _Tip: Stripe testmode accepts `4242 4242 4242 4242` as a valid credit card._
 
-![Prompted for card details](../assets/nft-checkout-2.png)
+<img src="/assets/engine/nft-checkout-2.png" alt="Prompted for card details" width="400px" />
 
 They are informed when their payment is submitted.
-![Successful payment](../assets/nft-checkout-3.png)
+<img src="/assets/engine/nft-checkout-3.png" alt="Successful payment" width="400px" />
 
 ## Full code example