Add Bastin to Prysm team

Author: prestonvanloon

docs/01-membership.md

@@ -199,6 +199,7 @@ Individuals from active working groups produce the membership by opting into Pro
 | [Taran Singh](https://github.com/Taranpreet26311/) | 0.5 | [Prysmaticlabs/Prysm](https://github.com/Prysmaticlabs/Prysm/pulls?q=author%3ATaranpreet26311) |
 | [Terence Tsao](https://github.com/terencechain/) | 1 | [ethresear.ch/u/terence/activity](https://ethresear.ch/u/terence/activity), [ethereum/consensus-specs](https://github.com/ethereum/consensus-specs/issues?q=author%3Aterencechain%20), [Prysmaticlabs/Prysm](https://github.com/Prysmaticlabs/Prysm/pulls?q=author%3Aterencechain), [hackmd.io/@ttsao](https://hackmd.io/@ttsao) |
 | [potuz](https://github.com/potuz/) | 1 | [ethresear.ch/u/potuz](https://ethresear.ch/u/potuz), [ethereum/EIPs](https://github.com/ethereum/EIPs/pulls?q=author%3Apotuz), [ethereum/consensus-specs](https://github.com/ethereum/consensus-specs/issues?q=author%3Apotuz%20), [prysmaticlabs/gohashtree](https://github.com/prysmaticlabs/gohashtree/pulls?q=author%3Apotuz), [prysmaticlabs/hashtree](https://github.com/prysmaticlabs/hashtree), [Prysmaticlabs/Prysm](https://github.com/Prysmaticlabs/Prysm/pulls?q=author%3Apotuz), [hackmd.io/@potuz](https://hackmd.io/@potuz) |
+| [Bastin](https://github.com/Inspector-Butters) | 1 | [OffchainLabs/prysm](https://github.com/OffchainLabs/prysm/pulls/Inspector-Butters) |
 | **Teku** (7 contributors) | | [ConsenSys/teku](https://github.com/ConsenSys/teku) |
 | [Dmitrii Shmatko](https://github.com/zilm13/) | 1 | [Consensys/teku](https://github.com/Consensys/teku/pulls?q=author%3Azilm13) |
 | [Enrico Del Fante](https://github.com/tbenr/) | 1 | [Consensys/teku](https://github.com/Consensys/teku/pulls?q=author%3Atbenr) |