* Rename global instance in bindings.rs
* Rename wallet to SDK or LiquidSdk
* Rename BindingWallet to BindingLiquidSdk
* Rename wallet to lwk_wollet, signer to lwk_signer
* Rename LsSdkError to LiquidSdkError
* Cargo fmt
* Rename LsSdkError in RN generator
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Co-authored-by: Ross Savage <hello@satimoto.com>