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>

.prettierrc.js

@@ -1,6 +1,6 @@
 module.exports = {
-  trailingComma: 'es5',
   semi: false,
   singleQuote: true,
   printWidth: 200,
+  trailingComma: 'all',
 }