Scratch foreign language guides (#2939)

* Adding Harvard GSE Scratch Book

* Adding foreign language for scratch guide from harvard graduate school of edu

* linting

free-programming-books-de.md

@@ -23,6 +23,7 @@
   * [Django](#django)
 * [Ruby on Rails](#ruby-on-rails)
 * [Scilab](#scilab)
+* [Scratch](#scratch)
 * [UML](#uml)
 * [Unix](#unix)
 * [Visual Basic](#visual-basic)
@@ -176,6 +177,11 @@
 * [Einführung in Scilab/Xcos 5.4](http://www.buech-gifhorn.de/scilab/Einfuehrung.pdf) (PDF)
 
 
+### Scratch
+
+* [Kreative Informatik mit Scratch](http://eis.ph-noe.ac.at/kreativeinformatik/)
+
+
 ### UML
 
 * [Der moderne Softwareentwicklungsprozess mit UML](http://www.highscore.de/uml/)

free-programming-books-es.md

@@ -41,6 +41,7 @@
 * [Ruby](#ruby)
   * [Ruby on Rails](#ruby-on-rails)
 * [Scala](#scala)
+* [Scratch](#scratch)
 * [SQL](#sql)
 * [SVG](#svg)
 
@@ -333,6 +334,11 @@
 * [Scala con Ejemplos](https://github.com/ErunamoJAZZ/ScalaByExample-es) *(:construction: En proceso)*
 
 
+### Scratch
+
+* [Informática Creativa](https://github.com/programamos/GuiaScratch) (PDF)
+
+
 ### SQL
 
 * [Manual de SQL](http://jorgesanchez.net/manuales/sql/intro-sql-sql2016.html) (HTML)

free-programming-books-fr.md

@@ -37,6 +37,7 @@
 * [Ruby](#ruby)
 * [Sage](#sage)
 * [Scilab](#scilab)
+* [Scratch](#scratch)
 * [SPIP](#spip)
 * [SQL](#sql)
 * [Systèmes d'exploitation](#systemes-d-exploitation)
@@ -262,6 +263,11 @@
 * [Introduction à Scilab](http://forge.scilab.org/index.php/p/docintrotoscilab/downloads/) - Michaël Baudin, Artem Glebov, Jérome Briot
 
 
+### Scratch
+
+* [Informatique Créative](https://pixees.fr/programmation-creative-en-scratch/)
+
+
 ### SPIP
 
 * [Programmer avec SPIP](http://programmer.spip.net) - Matthieu Marcimat et collectif SPIP

free-programming-books-ko.md

@@ -18,6 +18,7 @@
   * [Flask](#flask)
 * [R](#r)
 * [Ruby](#ruby)
+* [Scratch](#scratch)
 * [Swift](#swift)
 
 
@@ -125,6 +126,11 @@
 * [루비 스타일 가이드](https://github.com/dalzony/ruby-style-guide/blob/master/README-koKR.md)
 
 
+### Scratch
+
+* [창의컴퓨팅(Creative Computing) 가이드북](http://digital.kyobobook.co.kr/digital/ebook/ebookDetail.ink?barcode=480150000247P)
+
+
 ### Swift
 
 * [Swift 언어 개발문서](http://swift.leantra.kr) - 이전 버젼

free-programming-books-nl.md

 ### Index
 
 * [Python](#python)
+* [Scratch](#scratch)
 
 
 ### Python
 
 * [De Programmeursleerling: Leren coderen met Python 3](http://www.spronck.net/pythonbook/dutchindex.xhtml) - Pieter Spronck (PDF) (3.x)
+
+
+### Scratch
+
+* [Creatief Computergebruik](http://scratched.gse.harvard.edu/resources/creatief-computergebruik)

free-programming-books-ro.md

@@ -4,6 +4,7 @@
 * [HTML](#hmtl)
 * [MySQL](#mysql)
 * [PHP](#php)
+* [Scratch](#scratch)
 
 
 ### Ajax
@@ -24,3 +25,8 @@
 ### PHP
 
 * [PHP](http://php.punctsivirgula.ro)
+
+
+### Scratch
+
+* [Informatica Creativa](http://scratched.gse.harvard.edu/resources/informatica-creativa-0)

free-programming-books-ru.md

@@ -59,6 +59,7 @@
 * [Rust](#rust)
 * [Scala](#scala)
 * [Scilab](#scilab)
+* [Scratch](#scratch)
 * [Smalltalk](#smalltalk)
 * [SQL](#sql)
   * [PostgreSQL](#postgresql)
@@ -479,6 +480,11 @@
 * [Программирование в Scilab](http://forge.scilab.org/index.php/p/docprogscilab/downloads)
 
 
+### Scratch
+
+* [Креативное программирование](https://www.dropbox.com/s/qsthpk5r6gqmi6u/CreativeComputing_RUS_june2016.pdf?dl=0) (PDF)
+
+
 ### Smalltalk
 
 * [Смолток: Язык и его реализация](https://sites.google.com/site/polyglotsqueak) - Адэль Голдберг, Дэвид Робсон

free-programming-books-zh.md

@@ -60,6 +60,7 @@
   * [Rust](#rust)
   * [Scala](#scala)
   * [Scheme](#scheme)
+  * [Scratch](#scratch)
   * [Shell](#shell)
   * [Swift](#swift)
   * [Vim](#vim)
@@ -662,6 +663,11 @@
 * [Scheme 入门教程](http://deathking.github.io/yast-cn/) (《Yet Another Scheme Tutorial》中文版)
 
 
+### Scratch
+
+* [创意计算课程指南](http://cccgchinese.strikingly.com)
+
+
 ### Shell
 
 * [shell-book](http://me.52fhy.com/shell-book/)