feat(ribbon): add layer isolation tools

Closes #589

src/modules/draw/layers/layiso.rs

@@ -0,0 +1,12 @@
+use crate::modules::{IconKind, ModuleEvent, ToolDef};
+
+pub fn tool() -> ToolDef {
+    ToolDef {
+        id: "LAYISO",
+        label: "Isolate Layer",
+        icon: IconKind::Svg(include_bytes!(
+            "../../../../assets/icons/layers/layiso.svg"
+        )),
+        event: ModuleEvent::Command("LAYISO".to_string()),
+    }
+}

src/modules/draw/layers/layuniso.rs

@@ -0,0 +1,12 @@
+use crate::modules::{IconKind, ModuleEvent, ToolDef};
+
+pub fn tool() -> ToolDef {
+    ToolDef {
+        id: "LAYUNISO",
+        label: "Unisolate Layers",
+        icon: IconKind::Svg(include_bytes!(
+            "../../../../assets/icons/layers/layuniso.svg"
+        )),
+        event: ModuleEvent::Command("LAYUNISO".to_string()),
+    }
+}

src/modules/draw/layers/mod.rs

@@ -1,9 +1,11 @@
 pub(super) mod color;
 pub(super) mod layfrz;
+pub(super) mod layiso;
 pub(super) mod laylck;
 pub(super) mod layoff;
 pub(super) mod layon;
 pub(super) mod laythw;
+pub(super) mod layuniso;
 pub(super) mod layulk;
 pub(super) mod make_current;
 pub mod match_layer;