feat(e2e-testing): setup playwright

[ilyamore88]

ToDo

• Setup base Playwright instance;
• Add CI job for Playwright running;
• Add basic test cases for Playground.

[github-actions]

⏭️ No files to mutate for ./packages/model

[github-actions]

⏭️ No files to mutate for ./packages/dom-adapters

[github-actions]

Coverage report for ./packages/dom-adapters

St.❔	Category	Percentage	Covered / Total
🟢	Statements	100%	0/0
🟢	Branches	100%	0/0
🟢	Functions	100%	0/0
🟢	Lines	100%	0/0

Test suite run success

1 tests passing in 1 suite.

Report generated by 🧪jest coverage report action from c99717f

[github-actions]

Coverage report for ./packages/model

St.❔	Category	Percentage	Covered / Total
🟢	Statements	100%	742/742
🟢	Branches	99.49%	197/198
🟢	Functions	99.44%	179/180
🟢	Lines	100%	716/716

Test suite run success

389 tests passing in 24 suites.

Report generated by 🧪jest coverage report action from c99717f

[neSpecc]

We don't need to test playground, we should test dom-adapters. So tests should be setup for the Dom-adapters package