fix: add missing request_id type to OauthTokenResponse

[MohammedEsafi]

This pull request addresses the addition of a missing request_id type in the OauthTokenResponse TypeScript definition

Changes Made

Added TypeScript type definition for request_id in the OauthTokenResponse

Why are these changes introduced?

Fixes #487

Example Oauth Response

{
  "access_token": ...,
  "token_type": ...,
  "bot_id": ...,
  "workspace_name": "Mohammed Esafi",
  "workspace_icon": null,
  "workspace_id": ...,
  "owner": ...,
  "duplicated_template_id": ...,
  "request_id": "ae17caab-bad9-424f-98c7-e00daa2a1317"
}