Dexes: add fluid dex for arbitrum

[bergben]

Adds Fluid Dex for Arbitrum, live since today.

[llamabutler]

The fluid-dex adapter exports:

> adapters@1.0.0 test
> ts-node --transpile-only cli/testAdapter.ts dexs fluid-dex

🦙 Running FLUID-DEX adapter 🦙
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Start Date:	Sun, 22 Dec 2024 17:05:51 GMT
End Date:	Mon, 23 Dec 2024 17:05:51 GMT
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ETHEREUM 👇
Backfill start time: 26/10/2024
NO METHODOLOGY SPECIFIED
Daily volume: 112.28 M
Daily fees: 30.33 k
End timestamp: 1734973550 (2024-12-23T17:05:50.000Z)