Update auditors.mdx

Author: reveloper

docs/develop/companies/auditors.mdx

@@ -10,6 +10,7 @@ Test your software with the following quality assurance providers.
 
 * [certik.com](certik.com)
 * [quantstamp.com](https://quantstamp.com/)
+* [ton.tech](https://ton.tech/)
 * [trailofbits.com](https://www.trailofbits.com/)
 * [zellic.io](https://www.zellic.io/)