Update CONTRIBUTIONS.md

Author: hemangshah

CONTRIBUTIONS.md

@@ -1,3 +1,5 @@
 1. [Icons](https://www.flaticon.com/packs/basic-flat-icons) used in the example is by [Pixel buddha](https://www.flaticon.com/authors/pixel-buddha).
+2. [These lovely people who encouraged me to keep developing on the HHFloatingView](https://github.com/hemangshah/HHFloatingView/stargazers).
+3. [These great people who raised issues and provided me enough informations to fixed it.](https://github.com/hemangshah/HHFloatingView/issues?q=is%3Aissue+is%3Aclosed)
 
 **Thank you so much.** 💙