In this commit, a `DefaultWatchtowerCfg` function is added which is used to construct a default `lncfg.Watchtower` struct. This is then used to populate the default watchtower config in the main LND config struct.
In this commit, a `DefaultWatchtowerCfg` function is added which is used to construct a default `lncfg.Watchtower` struct. This is then used to populate the default watchtower config in the main LND config struct.