feat: update 'eslint-config with 'unicorn' plugin rules

[0leg53]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows Conventional Commits
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Refactoring
• Code style update
• Build or CI related changes
• Documentation content changes

What is the current behavior?

eslint-config is fine to:

• escape hex in different ways
• set eslint-disable comment to disable entire rules list
• make instanceof Array instead Array.isArray()
• ...some other mismatches which allows to write one functional code in different ways

What is the new behavior?

• eslint-config become more strict for these cases

Does this PR introduce a breaking change?

• Yes
• No