cherry-pick(#39969): chore(npm): include all *.md from lib

[Yury Semikhatsky (yury-s)]

No description provided.

[github-actions]

Test results for "MCP"

1 failed
❌ [msedge] › mcp/files.spec.ts:106 › clicking on download link emits download @mcp-windows-latest

6295 passed, 360 skipped

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Merge workflow run.

[github-actions]

Test results for "tests 1"

3 failed
❌ [playwright-test] › reporter-markdown.spec.ts:158 › report with annotations @macos-latest-node20
❌ [playwright-test] › reporter-html.spec.ts:362 › created › should use different path if attachments base url option is provided @macos-latest-node20
❌ [playwright-test] › ui-mode-test-network-tab.spec.ts:397 › should not preserve selection across test runs @windows-latest-node20

12 flaky

⚠️ [chromium-library] › library/video.spec.ts:724 › screencast › should work with video+trace `@ubuntu-22.04-chromium-tip-of-tree`
⚠️ [chromium-library] › library/video.spec.ts:118 › screencast › should capture static page `@chromium-ubuntu-22.04-arm-node20`
⚠️ [chromium-library] › library/video.spec.ts:342 › screencast › should work for popups `@chromium-ubuntu-22.04-arm-node20`
⚠️ [chromium-library] › library/video.spec.ts:652 › screencast › should capture full viewport `@chromium-ubuntu-22.04-arm-node20`
⚠️ [chromium-library] › library/video.spec.ts:342 › screencast › should work for popups `@chromium-ubuntu-22.04-node24`
⚠️ [chromium-library] › library/inspector/recorder-api.spec.ts:120 › should type `@chromium-ubuntu-22.04-node20`
⚠️ [chromium-library] › library/video.spec.ts:118 › screencast › should capture static page `@chromium-ubuntu-22.04-node20`
⚠️ [chromium-library] › library/video.spec.ts:342 › screencast › should work for popups `@chromium-ubuntu-22.04-node20`
⚠️ [chromium-library] › library/video.spec.ts:724 › screencast › should work with video+trace `@chromium-ubuntu-22.04-node22`
⚠️ [firefox-library] › library/inspector/cli-codegen-1.spec.ts:1080 › cli codegen › should not throw csp directive violation errors `@firefox-ubuntu-22.04-node20`
⚠️ [firefox-page] › page/page-emulate-media.spec.ts:144 › should keep reduced motion and color emulation after reload `@firefox-ubuntu-22.04-node20`
⚠️ [webkit-library] › library/browsertype-connect.spec.ts:773 › launchServer › should upload a folder `@webkit-ubuntu-22.04-node20`

39100 passed, 845 skipped

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Merge workflow run.