feat: add support for auto-closing tags like [*]

[Cherry]

Closes #214

[coveralls]

Pull Request Test Coverage Report for Build 19826989684

Details

• 29 of 34 (85.29%) changed or added relevant lines in 1 file are covered.
• 7 unchanged lines in 1 file lost coverage.
• Overall coverage decreased (-2.1%) to 61.806%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/ya-bbcode.ts	29	34	85.29%

Files with Coverage Reduction	New Missed Lines	%
src/ya-bbcode.ts	7	61.81%

Totals
Change from base Build 19803674707:	-2.1%
Covered Lines:	230
Relevant Lines:	281

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💛 - Coveralls