Merge testimonial info

Merge testimonial into main

Author: github-actions[bot]

data/devsachinsharma/testimonials/kunal-kushwaha.json

@@ -0,0 +1,5 @@
+{
+  "title": "Great teammate and open source advocate!",
+  "description": "I worked with Sachin on various initiatives at WeMakeDevs, which he helped scale to thousands. His passion for technology and communities truly shines through in his work. He is great at quickly picking up new things and applying them in the real world. It's wonderful to have such people in our community!",
+  "date": "2023-07-09"
+}