updated installation instructions, avoid typescript issues

Author: dev-dist

src/content/data-streams/tutorials/ts-sdk-fetch.mdx

@@ -60,14 +60,14 @@ You'll start with the set up of your TypeScript project, installing the SDK and
 1. Initialize a new Node.js project:
 
    ```bash
-   npm init -y
+    npm init -y
    ```
 
 1. Install the TypeScript SDK and other required packages:
 
    ```bash
     npm install @chainlink/data-streams-sdk dotenv
-    npm install -D typescript @types/node tsx
+    npm install -D tsx
    ```
 
 1. Set your API credentials:

src/content/data-streams/tutorials/ts-sdk-stream.mdx

@@ -72,7 +72,7 @@ First, you'll set up a basic TypeScript project, installing the SDK and pasting
 
    ```bash
     npm install @chainlink/data-streams-sdk dotenv
-    npm install -D typescript @types/node tsx
+    npm install -D tsx
    ```
 
 1. Set your API credentials: