Add top-level type definition for DayPickerInput

[kryops]

This allows importing from 'react-day-picker/DayPickerInput' from TypeScript.
Fixes #586

I chose to keep the existing type definitions for DayPickerInput in the types folder and only reference them from the new top-level definition file. Alternatively, the existing definition file could be moved up to the top level as well, but this would be a breaking change for TypeScript consumers.

The new file also takes care of exporting the DayPickerInput correctly as default export (see #586 (comment))

[codecov]

Codecov Report

Merging #762 into master will not change coverage.
The diff coverage is n/a.

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##           master     #762   +/-   ##
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  Coverage   99.84%   99.84%           
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  Files          15       15           
  Lines         645      645           
  Branches      141      141           
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  Hits          644      644           
  Misses          1        1

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[tomalexhughes]

@gpbl Any chance of this being merged? :)

[nucleartux]

@gpbl please merge, without this PR I can't use this library on my current project :(

[kryops]

@nucleartux you should be able to add the typings manually as a workaround.

1. Add a file containing the type definition to a folder that you use for types (e.g. src/@types):

[src/@types/react-day-picker.d.ts]

declare module 'react-day-picker/DayPickerInput' {
    import { DayPickerInput } from 'react-day-picker/types/DayPickerInput'
    export default DayPickerInput
}

2. Add the directory to typeRoots in your tsconfig.json:

"typeRoots": ["node_modules/@types", "src/@types"],

[nnic]

This file does not seem to be present in the the npm module - does it need to be explicitly added to the package.json?

[kryops]

@nnic sorry my bad 😞
I created #784 to add it.