chore: Update README.md (#23)

Minor change to the command to download the sdk

Author: dishaprakash

README.md

@@ -76,7 +76,7 @@ To get started using Toolbox tools with an application, follow these general ste
 
     ```bash
     # For the core, framework-agnostic SDK
-    go get github.com/mcp-toolbox-sdk-go
+    go get github.com/googleapis/mcp-toolbox-sdk-go
     ```
 
 3. **Use the SDK:**
@@ -105,4 +105,4 @@ If you encounter issues or have questions, please check the existing [GitHub
 Issues](https://github.com/googleapis/genai-toolbox/issues) for the main Toolbox
 project. If your issue is specific to one of the SDKs, please look for existing
 issues [here](https://github.com/googleapis/mcp-toolbox-sdk-go/issues) or
-open a new issue in this repository.
+open a new issue in this repository.