✨ began button navigation

js/buttons.js

@@ -0,0 +1,11 @@
+import {insertFileContentIn as insert} from "./navigator.js";
+
+export async function init() {
+  const naviElements = document.getElementsByClassName("navi");
+  for (let i = 0; i < naviElements.length; i++) {
+    const element = naviElements.item(i);
+    element.addEventListener("click", function () {
+      insert("content", element.id)
+    });
+  }
+}