Update the OnchainKit getting started guide

Author: cpcramer

docs/pages/guides/create-app/using-boat.mdx

@@ -0,0 +1,47 @@
+# Getting started with Onchain App Template
+This guide uses [Onchain App Template](https://github.com/coinbase/onchain-app-template/tree/main).
+
+::::steps
+## Create project
+Clone the repository using the command below.
+
+```bash
+git clone https://github.com/coinbase/onchain-app-template.git
+```
+
+## Setup project
+To ensure all components work seamlessly, set the following environment variables in your `.env` file:
+
+- `API KEY`: Find this on the API page at the [Coinbase Dev Portal](https://portal.cdp.coinbase.com/access/api).
+
+- `WALLET_CONNECTOR_PROJECT ID`: Create a project at [Wallet Connect](https://cloud.walletconnect.com) to obtain this.
+
+Add theses to you `.env` file:
+
+```bash
+NEXT_PUBLIC_CDP_API_KEY=ADD_YOUR_API_KEY_HERE
+WALLET_CONNECTOR_PROJECT_ID=ADD_YOUR_PROJECT_ID_HERE
+```
+
+## Install dependencies and run dev server
+Execute the following commands:
+
+```bash
+# Install bun in case you don't have it
+bun curl -fsSL <https://bun.sh/install> | bash
+
+# Install packages
+bun i
+
+# Run Next app
+bun run dev
+```
+
+## Test Your Setup
+
+Visit your site locally and click the "Log in" button.
+- A popup window will appear, displaying a Smart Wallet connection option.
+- After connecting, click the "Transact" button.
+- This action will initiate a transaction on Base Sepolia.
+- The gas fees for this transaction will be sponsored by the Coinbase Developer Platform Paymaster.
+::::

docs/pages/guides/create-app/using-onchain-app-template.mdx

@@ -1,6 +1,6 @@
 # Quick Start 
 You can try Smart Wallet today on [any supported chain](/FAQ#what-networks-are-supported)! Checkout our guides 
-- [Create a new app using Build Onchain Template](/guides/create-app/using-boat)
+- [Create a new app using Onchain App Template](/guides/create-app/using-onchain-app-template)
 - [Create a new app using Wagmi Template](/guides/create-app/using-wagmi)
 - [Update an existing app](/guides/update-existing-app)
 

docs/pages/quick-start.mdx

@@ -60,7 +60,7 @@ export default defineConfig({
         {
           text: "Create a New App",
           items: [
-            { text: "Using Build Onchain Template", link: "/guides/create-app/using-boat" },
+            { text: "Using Onchain App Template", link: "/guides/create-app/using-onchain-app-template" },
             { text: "Using Wagmi Template", link: "/guides/create-app/using-wagmi" },
           ],
         },