Fixes the following error when starting the node for the first time:
thread 'main' panicked at 'Unable to create key file '/home/richi/.lnp_node/key.dat'; please check that the path exists: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/peerd/opts.rs:139:61
Fixes the following error when starting the node for the first time: thread 'main' panicked at 'Unable to create key file '/home/richi/.lnp_node/key.dat'; please check that the path exists: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/peerd/opts.rs:139:61