Validate commit with pre-commit hook

[ghost]

Description

This PR runs yarn validate with pre-commit hook. yarn validate checks formatting and linting.
Therefore, you can validate changelist whenever you commit.

Motivation and Context

https://github.com/Zilliqa/Zilliqa-JavaScript-Library/runs/3346837441 failed because of lint error.
We can fail earlier and save resources by validating changes with pre-commit hook.

How has this been tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist:

• Add tests to cover changes as needed.
• Update documentation as needed.

[codecov-commenter]

Codecov Report

Merging #348 (25c2135) into dev (5a84b55) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##              dev     #348   +/-   ##
=======================================
  Coverage   80.67%   80.67%           
=======================================
  Files          44       44           
  Lines        1790     1790           
  Branches      298      298           
=======================================
  Hits         1444     1444           
  Misses        345      345           
  Partials        1        1           

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