urgent - exp kotlin developer to add header token to webview

I'm in urgent need of an experienced Kotlin developer who can help me integrate a custom header token into a WebView.

Key Requirements:
- Add a custom token to the header of all requests made by the WebView.
- Use pre-developed logic for generating the custom token.

Ideal Skills and Experience:
- Strong proficiency in Kotlin.
- Proven experience with WebView integration.
- Familiarity with implementing custom header tokens.
- Ability to work under tight deadlines.

The project is urgent, so prompt responses from seasoned Kotlin developers will be highly appreciated.