feat(harmony): enhance PhysicalHost with builder methods and update dependencies

- Added builder methods to `PhysicalHost` for configuring CPU, memory size, storage, MAC address, labels, and management interface.
- Updated the edition of various Cargo.toml files to 2024.
- Implemented workspace inheritance for version, readme, and license fields in Cargo.toml files.

harmony-rs/Cargo.toml

@@ -2,7 +2,7 @@
 resolver = "2"
 members = [
   "private_repos/*",
-  "demo/*",
+  "examples/*",
   "harmony",
   "harmony_types",
   "harmony_macros",
@@ -39,7 +39,3 @@ features = [
     "fast-rng",          # Use a faster (but still sufficiently random) RNG
     "macro-diagnostics", # Enable better diagnostics for compile-time UUIDs
 ]
-
-
-#[workspace.target.x86_64-unknown-linux-gnu]
-#rustflags = ["-C", "link-arg=-fuse-ld=mold"]