[FIX] Japanese Translation (trekhleb#266)

* [REFACTOR] ReadMe.ko-KR.md
edit awkward grammar and add more explain about Algorithms by Paradigm

* [ADD] ReadMe of japanese

* [FIX] change Japan person to langauge of Japan

Author: Minki-Kim95

README.es-ES.md

@@ -14,7 +14,7 @@ _Léelo en otros idiomas:_
 [_简体中文_](README.zh-CN.md),
 [_繁體中文_](README.zh-TW.md),
 [_한국어_](README.ko-KR.md),
-[_日本人_](README.ja-JP.md),
+[_日本語_](README.ja-JP.md),
 [_Polski_](README.pl-PL.md),
 [_Français_](README.fr-FR.md),
 [_Português_](README.pt-BR.md)

README.fr-FR.md

@@ -15,7 +15,7 @@ _Lisez ceci dans d'autres langues:_
 [_简体中文_](README.zh-CN.md),
 [_繁體中文_](README.zh-TW.md),
 [_한국어_](README.ko-KR.md),
-[_日本人_](README.ja-JP.md),
+[_日本語_](README.ja-JP.md),
 [_Polski_](README.pl-PL.md),
 [_Español_](README.es-ES.md),
 [_Português_](README.pt-BR.md)

README.ko-KR.md

@@ -12,7 +12,7 @@ _Read this in other languages:_
 [_English_](https://github.com/trekhleb/javascript-algorithms/),
 [_简体中文_](README.zh-CN.md),
 [_繁體中文_](README.zh-TW.md),
-[_日本人_](README.ja-JP.md),
+[_日本語_](README.ja-JP.md),
 [_Polski_](README.pl-PL.md),
 [_Français_](README.fr-FR.md),
 [_Español_](README.es-ES.md),

README.md

@@ -14,7 +14,7 @@ _Read this in other languages:_
 [_简体中文_](README.zh-CN.md),
 [_繁體中文_](README.zh-TW.md),
 [_한국어_](README.ko-KR.md),
-[_日本人_](README.ja-JP.md),
+[_日本語_](README.ja-JP.md),
 [_Polski_](README.pl-PL.md),
 [_Français_](README.fr-FR.md),
 [_Español_](README.es-ES.md),

README.pl-PL.md

@@ -15,7 +15,7 @@ _Read this in other languages:_
 [_简体中文_](README.zh-CN.md),
 [_繁體中文_](README.zh-TW.md),
 [_한국어_](README.ko-KR.md),
-[_日本人_](README.ja-JP.md),
+[_日本語_](README.ja-JP.md),
 [_Français_](README.fr-FR.md),
 [_Español_](README.es-ES.md),
 [_Português_](README.pt-BR.md)

README.pt-BR.md

@@ -15,7 +15,7 @@ _Leia isto em outros idiomas:_
 [_简体中文_](README.zh-CN.md),
 [_繁體中文_](README.zh-TW.md),
 [_한국어_](README.ko-KR.md),
-[_日本人_](README.ja-JP.md),
+[_日本語_](README.ja-JP.md),
 [_Polski_](README.pl-PL.md),
 [_Français_](README.fr-FR.md),
 [_Español_](README.es-ES.md)

README.zh-CN.md

@@ -11,7 +11,7 @@ _Read this in other languages:_
 [_English_](https://github.com/trekhleb/javascript-algorithms/),
 [_繁體中文_](README.zh-TW.md),
 [_한국어_](README.ko-KR.md),
-[_日本人_](README.ja-JP.md),
+[_日本語_](README.ja-JP.md),
 [_Polski_](README.pl-PL.md),
 [_Français_](README.fr-FR.md),
 [_Español_](README.es-ES.md),

README.zh-TW.md

@@ -10,7 +10,7 @@ _Read this in other languages:_
 [_English_](https://github.com/trekhleb/javascript-algorithms/),
 [_简体中文_](README.zh-CN.md),
 [_한국어_](README.ko-KR.md),
-[_日本人_](README.ja-JP.md),
+[_日本語_](README.ja-JP.md),
 [_Polski_](README.pl-PL.md),
 [_Français_](README.fr-FR.md),
 [_Español_](README.es-ES.md),