created the home button to go back to the main page when done with current pad, also tried to make a test

src/tests/frontend/specs/leavePadTest.js

@@ -0,0 +1,10 @@
+describe("Leave Pad Functionality", function () {
+  beforeEach(async function () {
+      await helper.newPad(); // Open a new pad before each test
+  });
+
+  it("should leave the pad and go back to the homepage", async function () {
+      await helper.leavePad(); // Clicks the exit button
+      expect(window.location.pathname).toBe("/"); // Confirms we are on the homepage
+  });
+});