Add Citrex Markets TVL calculation

[FedererKK]

Name (to be shown on DefiLlama):

Citrex Markets

Twitter Link:

https://x.com/citrex_markets

List of audit links if any:

Coming soon

Website Link:

https://app.citrex.markets/

Logo (High resolution, will be shown with rounded borders):

Current TVL:

500 USDC

Chain:

SEI

Short Description (to be shown on DefiLlama):

Citrex is a decentralised exchange (DEX) offering low fees, blazing-fast and CEX-like perpetual and spot trading from a self-custodial cross-margin account built on the Sei blockchain.

Citrex is built with capital efficiency in mind, using cross-margining for collateral management, providing an exceptional trading experience in every aspect.

Trade perps on your favourite assets like SEI, BTC, ETH, XRP or DOGE, with low fees.
Citrex offers perpetual trading on all of your favourite assets, all with deep liquidity and a user-friendly fee structure, with maker rebates available for all users who make the markets more liquid.

Category (full list at https://defillama.com/categories) *Please choose only one:

Derivatives

Oracle Provider(s): Specify the oracle(s) used (e.g., Chainlink, Band, API3, TWAP, etc.):

Stork

methodology (what is being counted as tvl, how is tvl being calculated):

Sum all USDC in the clearinghouse smart contract

[llamabutler]

The adapter at projects/citrex-markets exports TVL:

sei                       415

total                    415.49 

[g1nt0ki]

thanks for the PR