move mooc list to courses (#5574)

* move mooc list to courses

also add Mooc.fi from #5567

* remove index entry

books/free-programming-books-subjects.md

@@ -27,7 +27,6 @@ Books that cover a specific programming language can be found in the  [BY PROGRA
 * [Mathematics](#mathematics)
 * [Mathematics For Computer Science](#mathematics-for-computer-science)
 * [Misc](#misc)
-* [MOOC](#mooc)
 * [Networking](#networking)
 * [Open Source Ecosystem](#open-source-ecosystem)
 * [Operating Systems](#operating-systems)
@@ -510,20 +509,6 @@ Books that cover a specific programming language can be found in the  [BY PROGRA
 * [Writing Native Mobile Apps in a Functional Language Succinctly](https://www.syncfusion.com/ebooks/writing_native_mobile_apps_in_a_functional_language_succinctly) - Vassili Kaplan
 
 
-### MOOC
-
-* [Coursera](https://www.coursera.org)
-* [edX](https://www.edx.org)
-* [freeCodeCamp](https://www.freecodecamp.org)
-* [FutureLearn](https://www.futurelearn.com)
-* [MIT OCW](http://ocw.mit.edu)
-* [NPTEL](https://onlinecourses.nptel.ac.in)
-* [openHPI](https://open.hpi.de)
-* [openSAP](https://open.sap.com)
-* [Platzi](https://courses.platzi.com)
-* [Udacity](https://www.udacity.com)
-
-
 ### Networking
 
 * [An Introduction to Computer Networks](http://intronetworks.cs.luc.edu) (HTML, PDF, Kindle)

courses/free-courses-en.md

 ### Index
 
+* [0 - MOOC](#0---mooc)
 * [Algorithms & Data Structures](#algorithms--data-structures)
 * [Android](#android)
 * [Assembly](#assembly)
@@ -70,6 +71,21 @@
 * [Web Development](#web-development)
 
 
+### 0 - MOOC
+
+* [Coursera](https://www.coursera.org)
+* [edX](https://www.edx.org)
+* [freeCodeCamp](https://www.freecodecamp.org)
+* [FutureLearn](https://www.futurelearn.com)
+* [MIT OCW](http://ocw.mit.edu)
+* [MOOC.fi](https://www.mooc.fi/en/)
+* [NPTEL](https://onlinecourses.nptel.ac.in)
+* [openHPI](https://open.hpi.de)
+* [openSAP](https://open.sap.com)
+* [Platzi](https://courses.platzi.com)
+* [Udacity](https://www.udacity.com)
+
+
 ### Algorithms & Data Structures
 
 * [Algorithms](https://www.youtube.com/playlist?list=PLDN4rrl48XKpZkf03iYFl-O29szjTrs_O) - Abdul Bari