improve skywire cli tp tree

[0pcom]

• flag to exclude offline visors and transports from output data
• plot transports from source to destination

[0pcom]

skywire cli tp tree

skywire cli tp tree -g

skywire cli tp tree -g -k 020ec83e63b77f37fdc4dc8ace4f0c7871e1af95751f354635b8d72138b863be79 -d 02c87b9395fc04af5dbb72aaffac0dbbfbe6a8bfa362123edd0fe8b64512929848

skywire cli tp tree -g -k 024f2ce77eea6209ad9c2fb70fa5c3d228d6643693fbe4e3158ce613cc14be4c46 -d 02995386b01a1fcafee02c907b1bd6a7d8900977bbe2c45d31ad60d3c2db456f67