Typescript 'Col' cannot be used as a JSX component.

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- [YES] Check for existing open/closed issues for a possible duplicate before creating a new issue: https://github.com/GeekyAnts/react-native-easy-grid/issues
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## Issue Description

### node, npm, package.json, xcode version

### Expected behaviour
Successful compilation on tsc command

### Actual behaviour
'Col' cannot be used as a JSX component. Its instance type 'Col' is not a valid JSX element.
'Row' cannot be used as a JSX component. Its instance type 'Row' is not a valid JSX element.
'Grid' cannot be used as a JSX component. Its instance type 'Grid' is not a valid JSX element.