Added a section for R language for courses in Tamil language. (#8016)

* updated branch

* Fixed redirection issue and added ML Tamil playlist

* cleared checks

* cleared checks

* added R Tamil Course

courses/free-courses-ta.md

@@ -11,6 +11,7 @@
 * [Machine Learning](#machine-learning)
 * [PHP](#php)
 * [Python](#python)
+* [R](#r)
 * [SQL](#sql)
 
 
@@ -81,6 +82,11 @@ CSE Tamila by Eezytutorials
 * [Python Tutorial in Tamil](https://youtube.com/playlist?list=PLIFRUdRwOM0_hcLruKbsHWnU5P2uLBgsp) - SANTRA TECHSPOT
 
 
+### R
+
+* [R Tutorial in Tamil](https://youtube.com/playlist?list=PL4unWLKFsZfeGbK28rfPDeDDD_OJGjMCC) - Tutor Joe's Stanley
+
+
 ### SQL
 
 * [SQL in Tamil (தமிழில் SQL)](https://www.youtube.com/playlist?list=PLgWpUXNR_WCd-oMh-n6LhRYyNZjiiPVGm) - Payilagam