feat: idm v2 (#102)

* feat: rebuild idm to separate transport from content

* feat: fast guest lookup table and host identification

Cargo.toml

@@ -28,6 +28,7 @@ async-compression = "0.4.8"
 async-stream = "0.3.5"
 async-trait = "0.1.80"
 backhand = "0.15.0"
+base64 = "0.22.0"
 byteorder = "1"
 bytes = "1.5.0"
 cgroups-rs = "0.3.4"