add missing link

README.md

@@ -21,7 +21,7 @@ The SDK includes following packages with package-level documentation and example
 # Examples
 
 * [A Token Faucet Demo DApp](https://github.com/harmony-one/token-faucet-demo-dapp)
-* [Hackathon DApps](): DApps built during our internal hackathon
+* [Hackathon DApps](https://docs.harmony.one/home/showcases/applications): DApps built during our internal hackathon
   * [soccerplayers](https://github.com/gupadhyaya/soccerplayers), [onemoji](https://github.com/peekpi/onemoji), [harmonauts](https://github.com/ivorytowerdds/harmonauts), [good-one](https://github.com/harmony-one/dapp-demo-crowdfunding)
 * [Cross-chain Apps](https://docs.harmony.one/home/showcases/crosschain) [the link contains code, demo, and more information]
 * [DeFi Apps](https://docs.harmony.one/home/showcases/defi)