Implement the Properties panel with a transform section for layers (#527)

* initial layout system with tool options

* cargo fmt

* cargo fmt again

* document bar defined on the backend

* cargo fmt

* removed RC<RefCell>

* cargo fmt

* - fix increment behavior
- removed hashmap from layout message handler
- removed no op message from layoutMessage

* cargo fmt

* only send documentBar when zoom or rotation is updated

* ctrl-0 changes zoom properly

* unfinished layer hook in

* fix layerData name

* layer panel options bar

* basic x/y movment

* working transform section

* changed messages from tuples to structs

* hook up text input

* - fixed number input to be more clear
- fixed actions for properties message handler

* Add styling

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

editor/src/document/properties_panel_message.rs

@@ -0,0 +1,24 @@
+use crate::message_prelude::*;
+
+use serde::{Deserialize, Serialize};
+
+#[remain::sorted]
+#[impl_message(Message, DocumentMessage, PropertiesPanel)]
+#[derive(PartialEq, Clone, Debug, Serialize, Deserialize)]
+pub enum PropertiesPanelMessage {
+	CheckSelectedWasDeleted { path: Vec<LayerId> },
+	CheckSelectedWasUpdated { path: Vec<LayerId> },
+	ClearSelection,
+	ModifyName { name: String },
+	ModifyTransform { value: f64, transform_op: TransformOp },
+	SetActiveLayers { paths: Vec<Vec<LayerId>> },
+}
+
+#[derive(PartialEq, Clone, Debug, Serialize, Deserialize)]
+pub enum TransformOp {
+	X,
+	Y,
+	Width,
+	Height,
+	Rotation,
+}