Move the document trait into a separate crate (#3035)

* add a default head method through eval
* remove the old document trait
* implement document for each platform
* pull out document into a dedicated crate to cut down on shared dependencies
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Co-authored-by: Jonathan Kelley <jkelleyrtp@gmail.com>

packages/desktop/Cargo.toml

@@ -15,8 +15,8 @@ dioxus-html = { workspace = true, features = [
     "serialize",
     "mounted",
     "file_engine",
-    "document",
 ] }
+dioxus-document = { workspace = true }
 dioxus-signals = { workspace = true, optional = true }
 dioxus-interpreter-js = { workspace = true, features = ["binary-protocol", "serialize"] }
 dioxus-cli-config = { workspace = true }