Add SCA to ADOPTERS.md
- [PriceKinetics (GVC Australia)](https://www.pricekinetics.com.au/)
- [Projector](https://projector.com)
- [Purdue University Global](https://www.purdueglobal.edu/)
+- [SCA](https://sca.com.au)
- [Search365](https://search365.ai/)
- [StackPulse](https://stackpulse.com)
- [Studyo](https://studyo.co)
