Added fronted test instructions

README.md

@@ -30,6 +30,22 @@ cargo build --release
 
 ## Testing
 
+### Frontend Tests
+
+The frontend uses **Vitest** for unit tests and **Playwright** for end-to-end tests.
+
+```bash
+cd frontend
+
+# Run unit tests
+pnpm test
+
+# Run end-to-end tests
+pnpm test:e2e
+```
+
+### Backend Tests
+
 This project uses **nextest** for running tests and **cargo-llvm-cov** for code coverage.
 
 ### Install Tools