added react typescipt

Author: qvalentin

webapp_frontend/package-lock.json

@@ -6,12 +6,16 @@
     "@testing-library/jest-dom": "^4.2.4",
     "@testing-library/react": "^9.5.0",
     "@testing-library/user-event": "^7.2.1",
+    "@types/bootstrap": "^5.0.0",
     "@types/jest": "^24.9.1",
     "@types/node": "^12.12.64",
     "@types/react": "^16.9.51",
+    "@types/react-bootstrap": "^0.32.24",
     "@types/react-dom": "^16.9.8",
     "axios": "^0.20.0",
+    "bootstrap": "^4.5.3",
     "react": "^16.13.1",
+    "react-bootstrap": "1.1.0",
     "react-dom": "^16.13.1",
     "react-scripts": "3.4.3",
     "typescript": "^3.7.5"