BIP-321: Enable OHM/LUSD Gauge on Ethereum

[Xeonus]

• add OHM/LUSD gauge on Ethereum
• Tenderly sim: https://dashboard.tenderly.co/public/safe/safe-apps/simulator/e454be29-72a5-408d-bc40-43106f9eec91

[github-actions]

BIPs/2023-W23/BIP-321.json
COMMIT: 9f19b88

+----------+--------------------------------------------------------------------+--------------+--------------------------------------------+---------+--------------------------------------------+------+--------+---------+
| function |                              pool_id                               |    symbol    |                pool_address                | aFactor |               gauge_address                | fee  |  cap   | style   |
+----------+--------------------------------------------------------------------+--------------+--------------------------------------------+---------+--------------------------------------------+------+--------+---------+
| addGauge | 0x18fdf15ff782e44c1f9b6c5846ff6b0f0004f6a2000200000000000000000560 | 50OHM-50LUSD | 0x18FDf15ff782e44C1f9B6C5846ff6B0F0004F6a2 |   N/A   | 0xd8191A3496a1520c2B5C81D04B26F8556Fc62d7b | 0.3% | 100.0% | mainnet |
+----------+--------------------------------------------------------------------+--------------+--------------------------------------------+---------+--------------------------------------------+------+--------+---------+