Add new signup link

README.md

@@ -3,7 +3,7 @@
 This quickstart is written specifically for native Android apps that are written in Kotlin and use [`Retrofit`](https://square.github.io/retrofit/) for making the API calls that you wish to protect with Approov. If this is not your situation then check if there is a more relevant Quickstart guide available.
 
 ## WHAT YOU WILL NEED
-* Access to either a demo or trial Approov account
+* Access to either the demo account ([request access here](https://info.approov.io/demo-token)) or a trial/paid Approov account
 * The `approov` command line tool [installed](https://approov.io/docs/latest/approov-installation/) with `APPROOV_MANAGEMENT_TOKEN` set with your account access token
 * [Android Studio](https://developer.android.com/studio) installed (version 3.5.2 is used in this guide)
 * The contents of the folder containing this README