Added link to Changelog.md
Added link to Changelog.md

stefanwalther/qliksense-extension-tutorial,nate-untiedt/qliksense-extension-tutorial,dietler/qliksense-extension-tutorial,nate-untiedt/qliksense-extension-tutorial,dietler/qliksense-extension-tutorial,stefanwalther/qliksense-extension-tutorial