[VSC] Get X-CSRF-Token via REST Client

### Get CSRF-Token
# @name tokenResponse
HEAD https://url.com/api/endpoint HTTP/1.1
Authorization: Basic {{$dotenv auth_base64}}
x-csrf-token: Fetch

@x-csrf-token = {{ tokenResponse.response.headers.x-csrf-token }}   


### Use Token
POST https://url.com/api/endpoint HTTP/1.1
Authorization: Basic {{$dotenv auth_base64}}
Content-Type: application/json
x-csrf-token: {{x-csrf-token}}

{
      "data" : 1
}