migrated polling logic from virtterm branch to main

Cargo.toml

@@ -12,11 +12,14 @@ debug = true
 [dependencies]
 bitflags = "2.8.0"
 clap = { version = "4.5.38", features = ["derive"] }
+env_logger = "0.11.9"
 glob = "0.3.2"
+log = "0.4.29"
 nix = { version = "0.29.0", features = ["uio", "term", "user", "hostname", "fs", "default", "signal", "process", "event", "ioctl", "poll"] }
 regex = "1.11.1"
 unicode-segmentation = "1.12.0"
 unicode-width = "0.2.0"
+vte = "0.15"
 
 [dev-dependencies]
 insta = "1.42.2"