Pulling in jest as a dependency for the frontent, example test included

frontend/src/Components/__tests__/CountButton.test.ts

@@ -0,0 +1,12 @@
+import { describe, expect, test } from "@jest/globals";
+
+function sum(a: number, b: number): number {
+  return a + b;
+}
+
+// This is obviously not testing the proper component
+describe("sum module", () => {
+  test("adds 1 + 2 to equal 3", () => {
+    expect(sum(1, 1)).toBe(2);
+  });
+});