Add Frontend Tests (#1571)

* Add TypeScript test workflow

* Update follow-redirects and katex versions

* Add Python setup and Poetry installation for backend

* Update Poetry version and setup Python in workflows

* Add Poetry installation step to GitHub Actions workflow

* Add Playwright report artifact upload and improve test script

* Update Playwright test configuration and add global teardown script

* Update path for playwright-report directory

* Update timeout value in playwright.config.ts

* Update page URLs in end-to-end tests

* Update GitHub Actions workflow and Playwright configuration

* Update TypeScript test workflow

* Add pattern and merge-multiple options to artifact download

* Update TypeScript test workflow to install Poetry

* Add cache steps for Playwright and Poetry

* Update PLAYWRIGHT_BROWSERS_PATH in TypeScript test workflow

* Add 'stuff/' to .gitignore

* Remove caching of Poetry virtualenv

* Update frontend tests to use Playwright for UI testing

* Add global teardown for removing temp database

* Add cache-hit condition to setup-node and setup-python steps

* Add new file to .gitignore and update ignored files

* Update playwright cache key in TypeScript test workflow

* Update path for blob-report in GitHub workflow

* Update path for playwright cache

* Update dependency installation in workflows

* Update baseURL in playwright.config.ts

* Update baseURL in playwright.config.ts

* Refactor test timeouts

* Remove playwright-report index.html file

* Add npm run start command to playwright.config.ts

* Update npm start command in playwright.config.ts

* Update Playwright browser caching and installation

* Update playwright cache path

* Update playwright cache path

* Update actions/cache version to v4

* Update Playwright cache key to use package-lock.json

* Update Playwright cache and install dependencies

* Fix typo in Playwright installation command

* Fix npm ci command in TypeScript test workflow

* Update TypeScript test workflow

Makefile

@@ -47,9 +47,9 @@ run_frontend:
 
 tests_frontend:
 ifeq ($(UI), true)
-		cd src/frontend && ./run-tests.sh --ui
+		cd src/frontend && npx playwright test --ui --project=chromium
 else
-		cd src/frontend && ./run-tests.sh
+		cd src/frontend && npx playwright test --project=chromium
 endif
 
 run_cli: