Merge pull request #633 from hjgraca/publicref/pushpay

chore: Add Pushpay as a public reference

Author: leandrodamascena

README.md

@@ -88,6 +88,7 @@ Knowing which companies are using this library is important to help prioritize t
 The following companies, among others, use Powertools:
 
 * [Caylent](https://caylent.com/)
+* [Pushpay](https://pushpay.com/)
 
 ### Sharing your work
 

docs/index.md

@@ -163,6 +163,9 @@ Knowing which companies are using this library is important to help prioritize t
 [**Caylent**](https://caylent.com/){target="_blank" rel="nofollow"}
 { .card }
 
+[**Pushpay**](https://pushpay.com/){target="_blank" rel="nofollow"}
+{ .card }
+
 ## Tenets
 
 These are our core principles to guide our decision making.