add: background.js for automatic code input

src/content.js

@@ -1,25 +0,0 @@
-// eslint-disable-next-line no-undef
-const api = typeof browser !== "undefined" ? browser : chrome;
-
-api.runtime.onMessage.addListener((request, sender, sendResponse) => {
-  if (request.action === "autofill") {
-    const input = document.getElementById('input2factor');
-    const button = document.getElementById('btn-login');
-
-    if (input) {
-      input.focus();
-      input.value = request.code;
-      
-      input.dispatchEvent(new Event('input', { bubbles: true }));
-      input.dispatchEvent(new Event('change', { bubbles: true }));
-
-      if (button) {
-        setTimeout(() => {
-          button.click();
-        }, 150);
-      }
-      sendResponse({ status: "bomba" });
-    }
-  }
-  return true;
-});