Add Graphic Attributes palette toggle and persistence

src/modules/view/graphic_attributes_palette.rs

@@ -0,0 +1,14 @@
+use crate::modules::{IconKind, ModuleEvent, ToolDef};
+
+pub const ICON: IconKind = IconKind::Svg(include_bytes!(
+    "../../../assets/icons/graphic_attributes.svg"
+));
+
+pub fn tool() -> ToolDef {
+    ToolDef {
+        id: "GRAPHICATTRIBUTES",
+        label: "Graphic Attributes",
+        icon: ICON,
+        event: ModuleEvent::Command("GRAPHICATTRIBUTES".to_string()),
+    }
+}