MM-52642 CLD-6352 MM-54007 Prepare setup for Playwright pipeline (#24647)

* pipeline(playwright): prepare setup for playwright

* feedback address

* clean up readme

* Fix docker-compose command and definition for dashboard

* fix the dashboard

* ignore dashboard when formatting

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Co-authored-by: Mattermost Build <build@mattermost.com>
Co-authored-by: Mario Vitale <mvitale1989@hotmail.com>

e2e-tests/playwright/support/visual/percy.ts

@@ -3,7 +3,8 @@
 
 import percySnapshot from '@percy/playwright';
 
-import testConfig, {TestArgs} from '@e2e-test.config';
+import testConfig from '@e2e-test.config';
+import {TestArgs} from '@e2e-types';
 
 export default async function snapshotWithPercy(name: string, testArgs: TestArgs) {
     if (testArgs.browserName === 'chromium' && testConfig.percyEnabled && testArgs.viewport) {