feat: APP-2715 - Implement EmptyState Component

[thekidnamedkd]

Description

This will implement a component for EmptyState. Handles optionality for stacked/non-stacked and the specific design specs therein.

Task: APP-2715

Type of change

• New feature (non-breaking change which adds functionality)

Checklist:

• I have selected the correct base branch.
• I have performed a self-review of my own code.
• I have commented my code, particularly in hard-to-understand areas.
• I have made corresponding changes to the documentation.
• My changes generate no new warnings.
• Any dependent changes have been merged and published in downstream modules.
• I ran all tests with success and extended them if necessary.
• I have updated the CHANGELOG.md file in the root folder of the package after the [UPCOMING] title and before
  the latest version.

[cgero-eth]

Thanks for the implementation @thekidnamedkd, had an initial review of the PR. I will have another check of the stories/tests after the properties update

[cgero-eth]

Please uppercase the PR comment => Implement EmptyState component

[cgero-eth]

Thanks @thekidnamedkd! There's one small conversation still open => #77 (comment), everything else looks good to me ✅