Add `Value` and `PkScript` in response of `ListLeasedOutputs` method
Add `Value` and `PkScript` in response of `ListLeasedOutputs` method

In this commit, we have created new struct to store the result of `ListLeasedOutputs`
method. We call `TxDetails` to get value and pkscript of output. Other output
fields are fetched as before.

Signed-off-by: Hitanshu Mehta <9f67139ad56442f20f155ab352f4fe5d60d320cb@gmail.com>

btcsuite/btcwallet,btcsuite/btcwallet