Clear the terminal screen before starting PaleRa1n

I'd say it's much easier this way for the user to understand what output comes from PaleRa1n and it's easier to copy and paste logs in case of bugs. Feel free to dismiss.

palera1n.sh

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-
+printf "\033c"
 mkdir -p logs
 set -e