Apply updated DEX API + DEX liquidity API (v0.22.0)

[martinkersner]

Updates

• Applied flattened DEX API endpoints
• Support for DEX liquidity endpoint (/api/v1/dex/liquidity)

Usage

from datamaxi import Datamaxi
api_key = "YOUR_API_KEY"
maxi = Datamaxi(api_key=api_key)

# private endpoints
maxi.dex.trade(chain="...", exchange="...", pool="...")
maxi.dex.candle(chain="...", exchange="...", pool="...")
maxi.dex.liquidity(chain="...", exchange="...", pool="...")

# public endpoints
maxi.dex.chains()
maxi.dex.exchanges()
maxi.dex.pools()
maxi.dex.intervals()

[nick-bisonai]

lgtm!