feat: provide initial provision for `asgardeo/thunder` runtime

### Problem

Need to lay the foundation for allowing users to secure `asgardeo/thunder` application via the SDKs.

- [x] Support for `@asgardeo/react` (https://github.com/asgardeo/javascript/pull/213)
- [ ] Support for `@asgardeo/nextjs`

### Proposed Solution

Modify the SDK to allow users to use `asgardeo/thunder` as the IdP.

### Alternatives

N/A

### Please select the package issue is related to

@asgardeo/react, @asgardeo/nextjs

### Version

N/A

### Reporter Checklist

- [x] I have searched the existing issues and this is not a duplicate.
- [x] I have provided all the necessary information.
- [x] I have verified the feature on the latest version of the package.