add CashTokens-studio to showcase (#182)

Co-authored-by: Rosco Kalis <[email protected]>

website/docs/showcase.md

@@ -44,6 +44,14 @@ Cash-Ninjas is a collectibele NFT project on Bitcoin Cash which focuses on build
 
 BCH Guru is a non-custodial price-prediction platform and a collectible NFT project. BCH Guru uses CashScript for its price-prediction smart contracts to have players commit to a secret price-prediction. The project was the first to pioneer integration with CashConnect, which allows wallets to recognize the smart contract template and understand contract details.
 
+## CashTokens Studio
+
+<div style={{textAlign: 'center', width: '35%', margin: 'auto', marginBottom: '20px'}}>
+    <a href="https://cashtokens.studio" target="_blank"><img style={{borderRadius: '100%'}} src="/img/cashtokens-studio.png" /></a>
+</div>
+
+The CashTokens Studio is an application for creating CashTokens and for their managing metadata updates and reserved supply. The CashTokens Studio uses CashScript to lock the AuthUTXO in an AuthGuard contract to prevent accidentally spending the authority to be able to update the token's metadata or release reserved supply.
+
 ## BCHouse
 
 <div style={{textAlign: 'center', width: '35%', margin: 'auto', marginBottom: '20px'}}>