Add DWoc

Author: ranaaditya

README.md

@@ -82,3 +82,4 @@ All PR's are now being entertained, Please star this repo in order to get furthe
 | [Winter of Code by NSEC](https://winterofcode.com/) | Swag rewards|  |
 | [Semester Long Projects](https://slop.dscdaiict.in/) (SLoP by DA-IICT) | Prizes, swag rewards and internship opportunities for winners|  |
 | [Sanscript Autumn of Open Source](https://aos.sanscript.tech/) | Winner Certificate + Badge + surprise gifts|  |
+| [Delta Winter of Code (DWoC)](https://dwoc.io/) | Certificates to all and Swag rewards| [timeline](https://dwoc.io/)|