[나지원] sprint8 (#114)

* fix: add missing type attribute to button element

* feat: add Comment and EditingComment components in Comments

* feat: implement shared Dropdown component

* chore: change shared components to tsx

- Moved shared components to the shared folder
- Separated Label component from Input and Textarea

* refactor: convert shared utility functions to ts

* refactor: convert feature folder components to tsx

* refactor: convert page components to tsx

* feat: add LandingPage component

* feat: add Login and Signup components

- left validation logic incomplete

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Co-authored-by: naji <jitwona99.gmail.com>

package.json

@@ -6,10 +6,15 @@
     "@testing-library/jest-dom": "^5.17.0",
     "@testing-library/react": "^13.4.0",
     "@testing-library/user-event": "^13.5.0",
+    "@types/jest": "^29.5.13",
+    "@types/node": "^22.7.6",
+    "@types/react": "^18.3.11",
+    "@types/react-dom": "^18.3.1",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
     "react-router-dom": "^6.26.1",
     "react-scripts": "^5.0.1",
+    "typescript": "^5.6.3",
     "web-vitals": "^2.1.4"
   },
   "scripts": {