- fix bitfinex "tu" (update to trade info)
- add orderbook info. first step: add bid/ask size of 1% into book
- switch to (bid+ask)/2 instead of last traded price for bars?
- add query params for TF and choosen exchanges
- update queryparams when settings are changed.
- save settings in localStorage
- add google analytics
- add reflinks to exchanges and bybit links