first commit

src/modules/insert/box_prim.rs

@@ -0,0 +1,9 @@
+use crate::modules::{IconKind, ModuleEvent, ToolDef};
+pub fn tool() -> ToolDef {
+    ToolDef {
+        id: "BOX",
+        label: "Box",
+        icon: IconKind::Glyph("⬜"),
+        event: ModuleEvent::Command("BOX".to_string()),
+    }
+}