adding unit test for rendering home page

package.json

@@ -6,13 +6,16 @@
     "dev": "next dev",
     "build": "next build",
     "start": "next start",
-    "lint": "next lint"
+    "lint": "next lint",
+    "test": "jest --watchAll",
+    "test:ci": "jest --ci --coverage"
   },
   "dependencies": {
     "glpk.js": "^4.0.2",
     "i18n": "^0.15.1",
     "i18next": "^23.15.2",
     "i18next-browser-languagedetector": "^8.0.0",
+    "jest-environment-jsdom": "^29.7.0",
     "next": "14.2.11",
     "next-i18next": "^15.3.1",
     "react": "^18",
@@ -22,11 +25,15 @@
     "reactjs-popup": "^2.0.6"
   },
   "devDependencies": {
+    "@testing-library/jest-dom": "^6.5.0",
+    "@testing-library/react": "^16.0.1",
+    "@testing-library/user-event": "^14.5.2",
     "@types/node": "^20",
     "@types/react": "^18",
     "@types/react-dom": "^18",
     "eslint": "^8",
     "eslint-config-next": "14.2.11",
+    "jest": "^29.7.0",
     "postcss": "^8",
     "tailwindcss": "^3.4.1",
     "typescript": "^5"