Merge pull request #795 from KeerthanaAP/affiliation

update affiliation for KeerthanaAP

Author: lukaszgryglicki

developers_affiliations6.txt

@@ -3689,6 +3689,9 @@ keepclean: keepclean!users.noreply.github.com
 	YANDEX LLC until 2018-09-01
 	Cloudflare Inc from 2018-09-01 until 2019-09-01
 	Apple Inc. from 2019-09-01
+KeerthanaAP: KeerthanaAP!users.noreply.github.com, keerthana.arumugam1!ibm.com, akeerthana1995!gmail.com
+        Independent until 2022-04-19
+        International Business Machines Corporation from 2022-04-19
 keerthiadu: keerthiadu!users.noreply.github.com
 	Amazon until 2015-07-01
 	Zenefits from 2015-07-01 until 2017-04-01