Update index.md (#2441)

Author: keeganquigley

applications/index.md

@@ -66,7 +66,7 @@ Besides, **there is a clear difference between an application being accepted and
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 | [gmajor](https://github.com/gmajor-encrypt)                       | [subxt-python](./subxt-python.md)                     | [GitHub](https://github.com/gmajor-encrypt/xcm-tools)                 | ☐          |        ☒       |      ☐      |
 | [Liu-Cheng Xu](https://github.com/liuchengxu)                       | [Subcoin](./Subcoin.md)                     | [GitHub](https://github.com/subcoin-project/subcoin)                 | ☐          |        ☒       |      ☐      |
-| [Experio S M](https://www.linkedin.com/in/leogcustodio/)                       | [Polkadart Follow-up](./polkadart_extension.md)                     | [GitHub](https://github.com/leonardocustodio/polkadart)                 | ☐          |        ☐       |      ☐      |
+| [Experio S M](https://www.linkedin.com/in/leogcustodio/)                       | [Polkadart Follow-up](./polkadart_extension.md)                     | [GitHub](https://github.com/leonardocustodio/polkadart)                 | ☐          |        ☒       |      ☐      |
 | [Solidbit GmbH](https://solid-bit.com/)                       | [ISO20022 Ecosystem Research and Technical Design](./ISO20022-Implementation-POC.md)                     | [GitHub](https://github.com/SolidbitGmbH)                 | ☐          |        ☒       |      ☒      |
 | [Katarína Valová](https://github.com/kacena123)                       | [AgriDot](./AgriDot.md)                     | [GitHub](https://github.com/kacena123)                 | ☐          |        ☐       |      ☐      |
 | [ParaSpell Research Foundation](https://paraspell.xyz/)                       | [xcNFT](./xcNFT.md)                     | [GitHub](https://github.com/paraspell)                 | ☐          |        ☐       |      ☐      |