Select all nodes functionality added

js/input/keybaord/KeyboardSelectAll.js

@@ -0,0 +1,21 @@
+import KeyboardShortcut from "./KeyboardShortcut"
+import Configuration from "../../Configuration"
+
+
+export default class KeyboardSelectAll extends KeyboardShortcut {
+
+    /**
+     * 
+     * @param {HTMLElement} target 
+     * @param {import("../../Blueprint").default} blueprint 
+     * @param {Object} options 
+     */
+    constructor(target, blueprint, options = {}) {
+        options = KeyboardShortcut.keyOptionsParse(options, Configuration.selectAllKeyboardKey)
+        super(target, blueprint, options)
+    }
+
+    fire() {
+        this.blueprint.selectAll()
+    }
+}