fix(tslint): add correct semicolon option

[eduhenke]

The first parameter in the semicolon option in tslint.json should be a boolean.

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Short description of what this resolves:

Fixes the typescript linter

[nnixaa]

Hey @eduhenke, so is it correct that it wasn't working properly before this fix and now it checks for the semicolon presence?

[eduhenke]

@nnixaa yep, exactly :)

[nnixaa]

@eduhenke ah, good catch!