[OpenBit] Add support for more tokens on BounceBit

[meandhwh]

If you want to integrate an asset (fungible token/ NFT), you would need to provide

Name	Symbol	Metadata	Logo	Transferable	Coingecko
BounceBit BTC	BBTC	Link	Link	Yes	Link
BounceBit USD	BBUSD	Link	Link	Yes	Link
Liquid Staking BBTC	stBBTC	Link	Link	Yes	No
Liquid Staking BB	stBB	Link	Link	Yes	No

Documents and references:

• https://docs.bouncebit.io/token/bouncebit-tokenomics/liquid-staking-token-stbbtc-and-stbb
• https://docs.bouncebit.io/token/bouncebit-tokenomics/bitcoin-on-bouncebit-bbtc
• https://docs.bouncebit.io/token/bouncebit-tokenomics/stablecoins-on-bouncebit-bbusd

[bluezdot]

BBTC: https://bbscan.io/token/0xF5e11df1ebCf78b6b6D26E04FF19cD786a1e81dC?tab=Top+Holders BBUSD: https://bbscan.io/token/0x77776b40C3d75cb07ce54dEA4b2Fd1D07F865222?tab=Top+Holders stBBTC : https://bbscan.io/token/0x7F150c293c97172C75983BD8ac084c187107eA19?tab=Top+Holders stBB: https://bbscan.io/token/0x22aAC17E571D6651880d057e310703fF4C7c3483?tab=Top+Holders