make dioxus dependancy optional

packages/native-core/Cargo.toml

@@ -11,10 +11,9 @@ keywords = ["dom", "ui", "gui", "react"]
 
 
 [dependencies]
-dioxus-core = { path = "../core", version = "^0.3.0" }
-dioxus-html = { path = "../html", version = "^0.3.0" }
-dioxus-core-macro = { path = "../core-macro", version = "^0.3.0" }
+dioxus-core = { path = "../core", version = "^0.3.0", optional = true }
 
+keyboard-types = "0.6.2"
 taffy = "0.2.1"
 smallvec = "1.6"
 rustc-hash = "1.1.0"
@@ -34,3 +33,8 @@ rayon = "1.6.1"
 rand = "0.8.5"
 dioxus = { path = "../dioxus", version = "^0.3.0" }
 tokio = { version = "*", features = ["full"] }
+dioxus-native-core = { path = ".", features = ["dioxus"] }
+
+[features]
+default = ["dioxus"]
+dioxus = ["dioxus-core"]