insert test restart game

cypress.json

@@ -1 +1 @@
-{}
+{ "baseUrl": "http://localhost:5000" }

cypress/integration/spec.js

@@ -0,0 +1,16 @@
+/// <reference types="cypress" />
+
+describe("game should", () => {
+  it("be able to restart itself", () => {
+    cy.visit("/")
+    cy.get(".div0.gray").should("be.visible")
+    cy.get(".div1.red").should("be.visible")
+    cy.get(".div2.red").should("be.visible").click()
+    cy.get(".div0.blue").should("be.visible").click()
+    cy.get(".div0.red").should("be.visible")
+    cy.get(".div1.gray").should("be.visible")
+    cy.get(".div2.gray").should("be.visible")
+    cy.get(".restart").click()
+    cy.get(".div2.red").should("be.visible")
+  })
+})