Translate components/LayoutFooter (#122)

* Translate

* Fix formatting

* Change tutorial translation

Author: hoony2520

src/components/LayoutFooter/Footer.js

@@ -60,7 +60,7 @@ const Footer = ({layoutHasSidebar = false}: {layoutHasSidebar: boolean}) => (
             },
           }}>
           <FooterNav layoutHasSidebar={layoutHasSidebar}>
-            <MetaTitle onDark={true}>Docs</MetaTitle>
+            <MetaTitle onDark={true}>문서</MetaTitle>
             {sectionListDocs.map(section => {
               const defaultItem = section.items[0];
               return (
@@ -73,7 +73,7 @@ const Footer = ({layoutHasSidebar = false}: {layoutHasSidebar: boolean}) => (
             })}
           </FooterNav>
           <FooterNav layoutHasSidebar={layoutHasSidebar}>
-            <MetaTitle onDark={true}>Channels</MetaTitle>
+            <MetaTitle onDark={true}>채널</MetaTitle>
             <ExternalFooterLink
               href="https://github.com/facebook/react"
               target="_blank"
@@ -118,7 +118,7 @@ const Footer = ({layoutHasSidebar = false}: {layoutHasSidebar: boolean}) => (
             </ExternalFooterLink>
           </FooterNav>
           <FooterNav layoutHasSidebar={layoutHasSidebar}>
-            <MetaTitle onDark={true}>Community</MetaTitle>
+            <MetaTitle onDark={true}>커뮤니티</MetaTitle>
             {sectionListCommunity.map(section => (
               <FooterLink
                 to={`/community/${section.items[0].id}.html`}
@@ -128,12 +128,10 @@ const Footer = ({layoutHasSidebar = false}: {layoutHasSidebar: boolean}) => (
             ))}
           </FooterNav>
           <FooterNav layoutHasSidebar={layoutHasSidebar}>
-            <MetaTitle onDark={true}>More</MetaTitle>
-            <FooterLink to="/tutorial/tutorial.html">Tutorial</FooterLink>
-            <FooterLink to="/blog/">Blog</FooterLink>
-            <FooterLink to="/acknowledgements.html">
-              Acknowledgements
-            </FooterLink>
+            <MetaTitle onDark={true}>더보기</MetaTitle>
+            <FooterLink to="/tutorial/tutorial.html">자습서</FooterLink>
+            <FooterLink to="/blog/">블로그</FooterLink>
+            <FooterLink to="/acknowledgements.html">감사의 글</FooterLink>
             <ExternalFooterLink
               href="https://facebook.github.io/react-native/"
               target="_blank"