feature(Divider): added initial divider component

[Stradivario]

Issue

Description

Introduces divider component https://getuikit.com/docs/divider

Screenshots

Divider Component

Usage

import { DividerComponent } from '@rxdi/ui-kit/divider';

@Module({
  components: [
    DividerComponent
  ],
})
export class AppModule {}

<rx-divider></rx-divider>
<rx-divider type="icon"></rx-divider>