Toggle component

[Frodigo]

Problem

There is no toggle component implemented yet.

Solution

Add Toggle component as a Molecue

User story

1. As a product owner, I want to
   1. see the Toggle component in Storybook implemented as Molecules
   2. have the possibility to add props to the Toggle component
      1. heading {string} toggle heading
      2. children {HTML} HTML that represents toggle content
      3. isOpened {bool} is toggle content visible or not
2. As a user:
   1. I can see the Toggle component
   2. I can see toggle content by clicking on the toggle heading

Design/Screenshots