Add chain info from external sources

[hxrts]

https://github.com/Sifchain/sifchain-ui/tree/develop/ui/core/src/config/chains

https://github.com/osmosis-labs/osmosis-frontend/blob/ad2de482962fb21bed3c25ea07ecb74c12b15b67/src/config.ts

[hxrts]

https://github.com/strangelove-ventures/cosmostation_token_resource
https://github.com/osmosis-labs/chain-registry