👷(CI) add test-e2e job to people.yml

Add test-e2e to people.yml, it will run e2e tests on every PR.
Steps:
  - set env vars for e2e tests
  - build and start docker servers
  (backend, keycloak, DB)
  - install playwright
  - build apps
  - run e2e tests
  - save reports

src/frontend/apps/e2e/playwright.config.ts

@@ -32,7 +32,7 @@ export default defineConfig({
   },
 
   webServer: {
-    command: 'cd ../.. && yarn dev:desk --port ' + PORT,
+    command:  `cd ../.. && yarn app:${process.env.CI ? "start" : "dev"} --port ${PORT}`,
     url: baseURL,
     timeout: 120 * 1000,
     reuseExistingServer: !process.env.CI,