Readme: add note about framework usage
Readme: add note about framework usage

itsbonczek/kingpin,shawhu/kingpin,itsbonczek/kingpin,denivip/kingpin,shawhu/kingpin,denivip/kingpin,itsbonczek/kingpin,ppamorim/kingpin,ppamorim/kingpin,ppamorim/kingpin,shawhu/kingpin,denivip/kingpin