routie dev init since i didn't adhere to any proper guidance up until now

frontend/node_modules/eslint-visitor-keys/dist/eslint-visitor-keys.d.cts

@@ -0,0 +1,28 @@
+type VisitorKeys$1 = {
+    readonly [type: string]: ReadonlyArray<string>;
+};
+/**
+ * @typedef {{ readonly [type: string]: ReadonlyArray<string> }} VisitorKeys
+ */
+/**
+ * @type {VisitorKeys}
+ */
+declare const KEYS: VisitorKeys$1;
+
+/**
+ * Get visitor keys of a given node.
+ * @param {Object} node The AST node to get keys.
+ * @returns {readonly string[]} Visitor keys of the node.
+ */
+declare function getKeys(node: Object): readonly string[];
+/**
+ * Make the union set with `KEYS` and given keys.
+ * @param {VisitorKeys} additionalKeys The additional keys.
+ * @returns {VisitorKeys} The union set.
+ */
+declare function unionWith(additionalKeys: VisitorKeys): VisitorKeys;
+
+type VisitorKeys = VisitorKeys$1;
+
+export { KEYS, getKeys, unionWith };
+export type { VisitorKeys };