Address PR feedback: Update terminology from 'access token' to 'API key'

- Changed all references from 'access token' to 'API key' throughout getting started guide
- Updated section titles, descriptions, and links for consistency
- Maintains 'Pyth Lazer' naming convention consistent with existing documentation
- Addresses GitHub PR comments from aditya520

Co-Authored-By: Jayant <[email protected]>

Author: devin-ai-integration[bot]

pages/lazer/getting-started.mdx

@@ -20,7 +20,7 @@ Before getting started, make sure you have the following installed:
 - **Node.js** (version 18 or higher)
 - **pnpm** package manager
 - **Git** for cloning the examples repository
-- A **Lazer Access Token** - see [How to Acquire an Access Token](./acquire-access-token) if you don't have one
+- A **Lazer API Key** - see [How to Acquire an API Key](./acquire-access-token) if you don't have one
 
 <Steps>
 
@@ -47,17 +47,17 @@ This will install the following key packages:
 - `@solana/web3.js` - For Solana blockchain interactions
 - Other supporting dependencies
 
-### Configure Your Access Token
+### Configure Your API Key
 
-Set your Lazer access token as an environment variable:
+Set your Lazer API key as an environment variable:
 
 ```bash copy
 export ACCESS_TOKEN=your_actual_token_here
 ```
 
 <Callout type="warning" emoji="⚠️">
-  Replace `your_actual_token_here` with your actual Lazer access token. If you
-  don't have one, follow the [access token guide](./acquire-access-token) to
+  Replace `your_actual_token_here` with your actual Lazer API key. If you
+  don't have one, follow the [API key guide](./acquire-access-token) to
   obtain it.
 </Callout>
 
@@ -128,7 +128,7 @@ Explore additional Lazer capabilities:
 
 - **[Subscribe to Price Updates](./subscribe-price-updates)** - Detailed guide on WebSocket subscriptions and message handling
 - **[Price Feed IDs](./price-feed-ids)** - Complete list of available price feeds and their identifiers
-- **[Acquire Access Token](./acquire-access-token)** - How to obtain and manage your Lazer access credentials
+- **[Acquire API Key](./acquire-access-token)** - How to obtain and manage your Lazer API credentials
 
 ### Example Applications