fix init snippet (#2917)

### Fixes #
<!-- Mention the issues this PR addresses -->

### Checks

- [ ] Ran `yarn test-build`
- [ ] Updated relevant documentations
- [ ] Updated matching config options in altair-static

### Changes proposed in this pull request:
<!-- Describe the changes being introduced in this PR -->

## Summary by Sourcery

Bug Fixes:
- Add type="module" attribute to the injected script tag in renderAltair
to ensure correct module loading

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

* **Refactor**
* Updated the script loading mechanism for initial configuration to
utilize module script behavior.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

Author: imolorhe

packages/altair-static/src/index.ts

@@ -108,7 +108,7 @@ export const renderAltair = (options: RenderOptions = {}) => {
         .replace(
           '</body>',
           () =>
-            `<script nonce="${options.cspNonce ?? ''}" src="${scriptName.replace(/["'<>=]/g, '')}"></script></body>`
+            `<script type="module" nonce="${options.cspNonce ?? ''}" src="${scriptName.replace(/["'<>=]/g, '')}"></script></body>`
         );
     }
   }