Add paragraph about Implicit Transaction Control (NoTx mode) (#21324)

[anton-bobkov]

Changelog category

• Documentation

Description for reviewers

Backport to 25.2
Original: #21324

[github-actions]

🟢 2025-09-23 14:20:22 UTC The validation of the Pull Request description is successful.

[github-actions]

⚪ 2025-09-23 13:36:01 UTC Pre-commit check linux-x86_64-relwithdebinfo for 41f13da has started.
⚪ 2025-09-23 13:36:34 UTC Artifacts will be uploaded here
⚪ 2025-09-23 13:39:23 UTC ya make is running...
🟢 2025-09-23 13:39:29 UTC Tests successful.

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
0	0	0	0	0	0

🟢 2025-09-23 13:39:35 UTC Build successful.

[github-actions]

✅ Documentation build

Revision built successfully
Revision preview link

Build logs

Warnings (3)

⚠️ ru/recipes/transfer/nginx.md: 146: MD034 / no-bare-urls Bare URL used [Context: "http://localhost/"]

⚠️ ru/yql/reference/syntax/alter-transfer.md: 14: MD051 / link-fragments Link fragments should be valid [Context: "lambda-функция"]

⚠️ ru/yql/reference/syntax/create-transfer.md: 16: MD051 / link-fragments Link fragments should be valid [Context: "lambda-функция"]

[github-actions]

⚪ 2025-09-23 13:54:53 UTC Pre-commit check linux-x86_64-release-asan for 41f13da has started.
⚪ 2025-09-23 13:55:28 UTC Artifacts will be uploaded here
⚪ 2025-09-23 13:58:29 UTC ya make is running...
🟢 2025-09-23 13:58:35 UTC Tests successful.

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
0	0	0	0	0	0

🟢 2025-09-23 13:58:41 UTC Build successful.

[CyberROFL]

@anton-bobkov приложи ссылку на pr в main.

[orange13]

@anton-bobkov приложи ссылку на pr в main.

done

[CyberROFL]

lgtm