Add confirmation to delete a home

[thiagogebrimm]

It would be nice for silly people like me

[Chew]

These already exist:

# A list of commands that should have their complementary confirm commands enabled by default.
# This is empty by default, for the latest list of valid commands see the latest source config.yml.
default-enabled-confirm-commands:

# Should players be asked to provide confirmation for homes which they attempt to overwrite?
confirm-home-overwrite: false