WIP feat(filter): create interface for filter on each column

[PxyUp]

trafficstars

[todo[bot]]

Implement filterForEach column on clientSide

Filter must be filtering each column like in config

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https://github.com/PxyUp/ng-virtual-table/blob/5e339cdae6b26e095b2435373465ff4e79b25db5/lib/src/components/virtual-table.component.ts#L388-L393

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This comment was generated by todo based on a @todo comment in 5e339cdae6b26e095b2435373465ff4e79b25db5 in #14. cc @PxyUp.