chore(flow): Add flow declarations without implementaion

[zxbodya]

Description

Removing implementation from .js.flow files, merging them to single definition file per component for most cases.

This also fixed issue with flow when in many cases types are ignored, because apparently flow does not allow having implementation in .js.flow in some cases.

Scope

[codesandbox-ci[bot]]

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Sandbox	Source
Basic usage	Configuration

[chasestarr]

Closing this in-progress pr to prep for sync out switch