docs(public_reference): add BusPatrol as a public reference (#4713)

Adding buspatrol as public ref

Author: leandrodamascena

Diff for: README.md

@@ -54,6 +54,7 @@ Knowing which companies are using this library is important to help prioritize t
 The following companies, among others, use Powertools:
 
 * [Brsk](https://www.brsk.co.uk/)
+* [BusPatrol](https://buspatrol.com/)
 * [Capital One](https://www.capitalone.com/)
 * [CPQi (Exadel Financial Services)](https://cpqi.com/)
 * [CloudZero](https://www.cloudzero.com/)

Diff for: docs/index.md

@@ -427,6 +427,9 @@ Knowing which companies are using this library is important to help prioritize t
 [**Brsk**](https://www.brsk.co.uk/){target="_blank" rel="nofollow"}
 { .card }
 
+[**BusPatrol**](https://buspatrol.com/){target="_blank" rel="nofollow"}
+{ .card }
+
 [**Capital One**](https://www.capitalone.com/){target="_blank" rel="nofollow"}
 { .card }