Feel free to add useful links for the lessons

[vvscode]

[alexey-sidorov-dev]

Useful links for Lesson 7:

• NTL - Interactive cli tool that lists and run package.json scripts.
• package-lock.json - The difference between file format with lockfileVersion: 1 and lockfileVersion: 2 (file format was changed significantly in npm v7).

[vvscode]

@alexey-sidorov-dev PR is welcome =)