Created flags (alpha, beta, etc) for each lesson
Created flags (alpha, beta, etc) for each lesson

empirical-org/Empirical-Core,empirical-org/Empirical-Core,empirical-org/Empirical-Core,empirical-org/Empirical-Core,empirical-org/Empirical-Core,empirical-org/Empirical-Core,empirical-org/Empirical-Core