Merge pull request #11 from snehasharma76/patch-4

Added Swapscanner API to API Services section #7

README.md

@@ -129,6 +129,7 @@ This page introduces all links related to core and ecosystem development of Kaia
 - [BlockPI](https://blockpi.io/)
 - [Octet](https://octet.im/product/) - Documentation ([EN](https://docs.octet.im/v2.0-eng/docs), [한](https://docs.octet.im/docs)).
 - [BlockSDK](https://blocksdk.com/) - [Documentation](https://documenter.getpostman.com/view/20292093/Uz5FKwxw#7b85cc54-fd97-4a30-9a6b-06808938c1bc)
+- [Swapscanner API](https://swapscanner.io/) - [Documentation](https://docs.api.swapscanner.io/)
 
 ## Naming Services
 - [KNS](https://klaytn.domains/) - [Documentation](https://docs.klaytn.domains/)