krata: restructure packages for cleanliness

Cargo.toml

@@ -1,14 +1,12 @@
 [workspace]
 members = [
     "crates/krata",
-    "crates/krataoci",
-    "crates/krataguest",
-    "crates/kratart",
-    "crates/kratad",
-    "crates/kratanet",
-    "crates/kratactl",
-    "crates/vendor/advmac",
-    "crates/vendor/loopdev",
+    "crates/oci",
+    "crates/guest",
+    "crates/runtime",
+    "crates/daemon",
+    "crates/network",
+    "crates/ctl",
     "crates/xen/xencall",
     "crates/xen/xenclient",
     "crates/xen/xenevtchn",
@@ -21,6 +19,7 @@ resolver = "2"
 version = "0.0.1"
 
 [workspace.dependencies]
+advmac = "1.0.3"
 anyhow = "1.0"
 arrayvec = "0.7.4"
 async-compression = "0.4.6"
@@ -40,6 +39,7 @@ futures = "0.3.30"
 ipnetwork = "0.20.0"
 libc = "0.2"
 log = "0.4.20"
+loopdev-3 = "0.5.1"
 memchr = "2"
 nix = "0.28.0"
 oci-spec = "0.6.4"