🏷 Added Typescript#4

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laquasicinque:typescript

Commits on Oct 18, 2019

:label::bug::recycle: convert main to typescript
laquasicinque
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Commits on Oct 19, 2019

:sparkles: added flatMap and flat
laquasicinque
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Commits on Oct 20, 2019

:wrench: added tsconfig, fixed some incorrect types
laquasicinque
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