Restructure node crates (#3384)

* Restructure node-graph folder

* Fix wasm compilation

* Move node definitions out of *-types crates

* Cleanup

* Fix warnings

* Fix warnings

* Start adding migrations

* Add migrations and move memo nodes to gcore

* Move nodes/gsvg-render -> rendering

* Replace some hard coded identifiers and fix automatic conversion

* Fix Vec2Value node migration

* Fix formatting

* Add more migrations

* Cleanup features

* Fix core_types::raster import

* Update demo artwork (to make profile ci work)

* Move *-types to node-graph/libraries folder

* Add missing node migrations

* Migrate more nodes

* Remove impure memo node

* More fixes and remove warning

* Migrate context and add a few missing migrations

---------

Co-authored-by: Keavon Chambers <keavon@keavon.com>

node-graph/nodes/gcore/src/ops.rs

@@ -0,0 +1,33 @@
+use core_types::{Ctx, ExtractFootprint, ops::Convert, transform::Footprint};
+use std::marker::PhantomData;
+
+// Re-export TypeNode from core-types for convenience
+pub use core_types::ops::TypeNode;
+
+// TODO: Rename to "Passthrough"
+/// Passes-through the input value without changing it.
+/// This is useful for rerouting wires for organization purposes.
+#[node_macro::node(skip_impl)]
+fn identity<'i, T: 'i + Send>(value: T) -> T {
+	value
+}
+
+#[node_macro::node(skip_impl)]
+fn into<'i, T: 'i + Send + Into<O>, O: 'i + Send>(_: impl Ctx, value: T, _out_ty: PhantomData<O>) -> O {
+	value.into()
+}
+
+#[node_macro::node(skip_impl)]
+async fn convert<'i, T: 'i + Send + Convert<O, C>, O: 'i + Send, C: 'i + Send>(ctx: impl Ctx + ExtractFootprint, value: T, converter: C, _out_ty: PhantomData<O>) -> O {
+	value.convert(*ctx.try_footprint().unwrap_or(&Footprint::DEFAULT), converter).await
+}
+
+#[cfg(test)]
+mod test {
+	use super::*;
+
+	#[test]
+	pub fn identity_node() {
+		assert_eq!(identity(&4), &4);
+	}
+}