refactor(test): switch e2e to @playwright/test

This removes deprecated jest-playwright which caused issues with latest
dependencies.

E2E are now pure playwright, which reduces the surface for bugs
and should be more stable and easier to maintain in general.

.gitignore

@@ -5,6 +5,9 @@
 
 # testing
 /coverage
+/playwright-report
+test/e2e/setup/ipfs-backend.json
+test/e2e/state.json
 
 # production
 /build

README.md

@@ -140,7 +140,7 @@ Make sure `npm run build` is run before starting E2E tests:
 
 ```sh
 > npm run build
-> npm run test:e2e # end-to-end smoke tests (fast, headless, use go-ipfs)
+> npm run test:e2e # end-to-end smoke tests (fast, headless, use Kubo (go-ipfs))
 ```
 
 ### Customizing E2E Tests
@@ -209,26 +209,14 @@ By default, the test run headless, so you won't see the browser. To debug test e
 To disable headless mode and see the browser, set the environment variable `DEBUG=true`:
 
 ```sh
-> DEBUG=true npm run test:e2e # e2e in slowed down mode in a browser window
+> DEBUG=true npm run test:e2e
 ```
 
 #### Breakpoints
 
-It is possible to set a "breakpoint" via `await jestPuppeteer.debug()` to stop tests at a specific line:
+It is possible to set a "breakpoint" via `await page.pause()` to stop tests at a specific line.
 
-```js
-jest.setTimeout(600000) // increase test suite timeout
-await jestPuppeteer.debug() // puppeteer will pause here
-```
-
-In a **continuous integration** environment we lint the code, run the unit tests, build the app, start an http server and run the unit e2e tests:
-
-```sh
-> npm run lint
-> npm test
-> npm run build
-> npm run test:e2e
-```
+Read more at <https://playwright.dev/docs/debug#using-pagepause>
 
 ## Coverage