feat: add hurl! and local_folder! macros to make Url easier to create (#135)

* it was named `hurl!` instead of just `url!` because it was clashing with the crate `url` so we would have been forced to use it with `harmony_macros::url!` which is less sexy

Reviewed-on: NationTech/harmony#135

harmony_macros/Cargo.toml

@@ -15,6 +15,7 @@ serde = "1.0.217"
 serde_yaml = "0.9.34"
 syn = "2.0.90"
 cidr.workspace = true
+url.workspace = true
 
 [dev-dependencies]
 serde = { version = "1.0.217", features = ["derive"] }