Counter example with vue + modulajs

[yiwsong]

This is the classic Counter example implemented with vue + modulajs.

[coveralls]

Pull Request Test Coverage Report for Build 4

• 0 of 0 (NaN%) changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 97.059%

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Totals
Change from base Build 3:	0.0%
Covered Lines:	747
Relevant Lines:	754

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💛 - Coveralls

[yiwsong]

Shall we exclude examples from coverage report?

[robinyy]

@yiwsong yes, the testing and coverage should not include examples, but the linting probably should?