Rename the legacy Graphene crate to document-legacy (#899)

* Rename /graphene to /document-legacy

* Update names in code

document-legacy/src/response.rs

@@ -0,0 +1,36 @@
+use crate::LayerId;
+
+use serde::{Deserialize, Serialize};
+use std::fmt;
+
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq, Hash)]
+#[repr(C)]
+pub enum DocumentResponse {
+	/// For the purposes of rendering, this triggers a re-render of the entire document.
+	DocumentChanged,
+	FolderChanged {
+		path: Vec<LayerId>,
+	},
+	CreatedLayer {
+		path: Vec<LayerId>,
+	},
+	DeletedLayer {
+		path: Vec<LayerId>,
+	},
+	/// Triggers an update of the layer in the layer panel.
+	LayerChanged {
+		path: Vec<LayerId>,
+	},
+}
+
+impl fmt::Display for DocumentResponse {
+	fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+		match self {
+			DocumentResponse::DocumentChanged { .. } => write!(f, "DocumentChanged"),
+			DocumentResponse::FolderChanged { .. } => write!(f, "FolderChanged"),
+			DocumentResponse::CreatedLayer { .. } => write!(f, "CreatedLayer"),
+			DocumentResponse::LayerChanged { .. } => write!(f, "LayerChanged"),
+			DocumentResponse::DeletedLayer { .. } => write!(f, "DeleteLayer"),
+		}
+	}
+}