v0.2.25

Feat/add loader (#100)

* feat(loader): first implementations

* feat(loader): add initial work

* feat(loader): remove unecessary code

* feat(loader): add case where time is entered

* feat(loader): add wip

* feat(loader): add base loader and its doc

* feat(loader): add wip

* feat(loader): fix bugs on icon size

* feat(loader): add props to mdx

* feat(loader): add percentage to useEffect

* feat(loader): fix typo

* feat(loader): change icon variant size