Added Python and Django Framework Tutorials + Golang and Gin-Gonic Tutorials. (#3919)

* Added Python basics and Django Tutorials

* Added Python basics and Django Tutorials

* Added Golang Basics and Gin-Gonic Framework Tutorial

* Added names of Instructors/Providers
Co-authored-by: Nkonbo <konbo666@tutanota.com>

free-courses-en.md

@@ -186,6 +186,8 @@
 
 * [A Tour Of Go](https://tour.golang.org/welcome/1)
 * [Go Tutorial](http://www.tutorialspoint.com/go/index.htm)
+* [Golang | Gin HTTP Framework](https://www.youtube.com/playlist?list=PL3eAkoh7fypr8zrkiygiY1e9osoqjoV9w) -  Pragmatic Reviews
+* [Learn Go Programming - Golang Tutorial for Beginners](https://www.youtube.com/watch?v=YS4e4q9oBaU) - FreeCodeCamp
 
 
 ### Haskell
@@ -389,7 +391,9 @@
 * [Learn to Program Using Python](https://www.edx.org/course/learn-program-using-python-utarlingtonx-cse1309x) (edX)
 * [Programming for Everybody](https://www.coursera.org/learn/python)
 * [Programming Foundations with Python](https://www.udacity.com/course/programming-foundations-with-python--ud036) (Udacity)
+* [Python Beginners-Intermediate Tutorial](https://www.youtube.com/playlist?list=PL-osiE80TeTt2d9bfVyTiXJA-UTHn6WwU) - Corey Schafer
 * [Python Course](http://www.python-course.eu)
+* [Python Django Basics Tutorial](https://www.youtube.com/playlist?list=PL-osiE80TeTtoQCKZ03TU5fNfx2UY6U4p) - Corey Schafer
 * [Python Programming Tutorial](https://www.youtube.com/playlist?list=PL_RGaFnxSHWpX_byHyTEj9hecPngl2DqR)
 * [SoloLearn](https://www.sololearn.com/Course/Python/)