feat: Added footer component (#190)

* feat: Added footer component (#126)

* add/prepare component files

* make footer component basic

* improve FooterCopyright component

* add FooterLink component

* add/add FooterBrand Component

* add vertival align to FooterListGroup

* add/add footer icon component

* add/add FooterSitemapExample

* add/FooterSitemapLinks remained part

* add/add example

---------

Co-authored-by: Ilya Artamonov <hire@ilya-artamonov.ru>

* feat: Reworked footer component

* docs: Updated components section in README.md

---------

Co-authored-by: hirakei1203 <56023847+hirakei1203@users.noreply.github.com>

docs/.vitepress/config.ts

@@ -38,6 +38,7 @@ function getComponents() {
     { text: 'Card', link: 'components/card.md' },
     { text: 'Carousel', link: 'components/carousel' },
     { text: 'Dropdown', link: '/components/dropdown' },
+    { text: 'Footer', link: 'components/footer' },
     { text: 'Pagination', link: 'components/pagination' },
     { text: 'Progress', link: 'components/progress' },
     { text: 'Rating', link: 'components/rating' },
@@ -50,8 +51,7 @@ function getComponents() {
     { text: 'Tooltip', link: 'components/tooltip' },
     { text: 'Modal', link: 'components/modal' },
     { text: 'Navbar', link: 'components/navbar' },
-
-    { text: '- Footer', link: 'components/footer' },
+    { text: 'Footer', link: 'components/footer' },
     { text: '- Sidebar', link: 'components/sidebar' },
   ]
 }