[Port dspace-9_x] add tamil(ta.json5) translation file (DSpace#4947)

* add tamil(ta.json5) file

(cherry picked from commit 9210532)

* remove Trailing spaces

(cherry picked from commit 8f1d85e)

---------

Co-authored-by: gauravd2t <gaurav@d2t.co>

Author: dspace-bot

config/config.example.yml

@@ -322,6 +322,9 @@ languages:
   - code: sv
     label: Svenska
     active: true
+  - code: ta
+    label: தமிழ்
+    active: true
   - code: tr
     label: Türkçe
     active: true