feat(store): se maqueto la landing y el componente de store-theme

[RodriBlanca]

What problem is this solving?

How to test it?

[Workspace](Link goes here!)

Screenshots or example usage:

Describe alternatives you've considered, if any.

Related to / Depends on

How does this PR make you feel? :link:

![](put .gif link here - can be found under "advanced" on giphy)