feature: kit error could be colored red

[jurij-jukic]

when getting an error running kit boot-fake-node, the error is hidden within a wall of monotonously coloured text.
the output which i got was:

$ kit boot-fake-node
Checking for Anvil  on port 8545...
Anvil is ready on port 8545.
home at /tmp/kinode-fake-node
error: couldn't bind 8080; first available port found was 8083. Set an available port with `--port` and try again.
thread 'main' panicked at kinode/src/main.rs:456:17:
explicit panic
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
Cleaning up "/tmp/kinode-fake-node"...
Done cleaning up "/tmp/kinode-fake-node".

all the info I need is in the 'error' line, so if that could be highlighted it could improve dev experience.

this should probably be generalized to errors from all kit commands

[nick1udwig]

#381