feat: add lesson 03 + 04 to es6 lessions#98

Merged

thuongtruong1009 merged 2 commits intomainfrom es6

Sep 2, 2022

+17

Commits on Aug 23, 2022

feat: add lession declare-a-read-only-variable-with-the-const-keyword
thuongtruong1009
committed

Commits on Sep 2, 2022

feat: add lession mutate-an-array-declared-with-const
thuongtruong1009
committed