wgui: Separate user and wgui assets, topmost widgets (poc)

wgui/src/assets_internal.rs

@@ -0,0 +1,12 @@
+#[derive(rust_embed::Embed)]
+#[folder = "assets/"]
+pub struct AssetInternal;
+
+impl crate::assets::AssetProvider for AssetInternal {
+	fn load_from_path(&mut self, path: &str) -> anyhow::Result<Vec<u8>> {
+		match AssetInternal::get(path) {
+			Some(data) => Ok(data.data.to_vec()),
+			None => anyhow::bail!("internal file {path} not found"),
+		}
+	}
+}