feat: add camelot pair fee rates spellbook

[whalehunting]

The Camelot DEX on Arbitrum has a dynamic fee rate model, both for v2 and v3 architecture:

• Fee rates can be configured by pair
• Fee rates can be set by swap direction (token0 -> token1 and token1 -> token0 can have individual fee rates)
• Fee rates can be updated over time

The Camelot ⚔️🤴🏼 Dashboard has been broken since 2 months, because the query logic that determines the latest fee rate for each swap is super inefficient, which leads to >30min execution runtimes, so the query runs fail.

I discussed potential solutions with @0xBoxer and the Camelot team and came up with this structure. The spellbook should contain fee rates for every pair by minute, since the deployment of each pair.
Once live, a swap can be simply joined like this.

SELECT
    *
FROM
    swaps
    JOIN camelot_arbitrum.pair_fee_rates ON (
        swaps.minute = camelot_arbitrum.pair_fee_rates.minute
    )

Sample

Filtered version with a single pair
https://dune.com/queries/3677413?sidebar=none

Thoughts

• I formatted the code using sqlfmt, lmk if this matches your coding style!

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[jeff-dude]

good stuff here 🔥
let's get it merged